βλέπω; [imperfect ἔβλεπον]; future βλέψω; 1 aorist ἔβλεψα; [present passive βλέπομαι]; Sept. for רָאָה, פָּנָה, חָזָה, הִבִּיט; in Greek writings from Aeschylus down; to see, discern:
1. With the bodily eye;
a. to be possessed of sight, have the power of seeing, opposed to τυφλός: Matthew 12:22; Matthew 13:16; Matthew 15:31; John 9:7, 15, 19, 25; Acts 9:9; Romans 11:8, 10; Revelation 3:18, etc. (Sophocles Oed. Col. 73; Aristophanes Plutarch, 15; Xenophon, mem. 1, 3, 4; Aelian v. h. 6, 12, etc. Exodus 4:11; Exodus 23:8, etc. Tobit 11:15). τὸ βλέπειν sight, the power of seeing, Luke 7:21 (G L T Tr WH omit τό).
b. to perceive by the use of the eyes, to see, look, descry;
α. absolutely: βλεπόντων αὐτῶν while they were looking, Acts 1:9; [Acts 22:11 Tr marginal reading WH marginal reading]; ἔρχου καὶ βλέπε, Rec. in Revelation 6:1, 3, 5, 7.
β. with the accusative of person or thing: Matthew 7:3; Matthew 11:4; Matthew 24:2; Mark 5:31; Mark 8:23; Mark 13:2; Luke 6:41; Luke 24:12 [T omits; L Tr brackets WH reject the verse]; John 1:29; Acts 4:14, etc.; [Revelation 18:18 Rec. ὁρῶντες]; τὴν φωνήν, him who uttered the voice, Revelation 1:12; ὅραμα, Acts 12:9; he who has free access to one, as princes, ministers, and personal friends have to a king, is said βλ. τὸ πρόσωπόν τινος (הַמֶּלֶך פְּנֵי רֹאֵי, 2 Kings 25:19; Jeremiah 52:25; Esther 1:14); hence in Matthew 18:10 angels of closest access or of highest rank are referred to (see ἀρχάγγελος). Passive τὰ βλεπόμενα the things that are seen: 2 Corinthians 4:18; Hebrews 11:3 (L T Tr WH τὸ βλεπόμενον, the sum-total or complex of things seen); ἐλπὶς βλεπομένη hope of things that are seen, i. e. that are present, Romans 8:24.
c. to turn the eyes to anything, to look at, look upon, gaze at: γυναῖκα, Matthew 5:28; εἴς τι or τινα [Winer's Grammar, § 33 g.], Luke 9:62; John 13:22; Acts 3:4; εἰς τὸν οὐρανόν, Acts 1:11 T Tr WH; in the sense of looking into (i. e. in order to read), βιβλίον, Revelation 5:3f.
d. universally, to perceive by the senses, to feel: τὸν ἄνεμον ἰσχυρόν [T WH omit ἰσχ.], Matthew 14:30 (κτυπον δέδορκα, Aeschylus sept. 104).
e. to discover by use, to know by experience: τί, Romans 7:23; followed by ὅτι, 2 Corinthians 7:8; by attract. τὸ θηρίον, ὅτι κτλ., Revelation 17:8; ὑπὲρ ὃ βλέπει με for ὑπὲρ τοῦτο, ὃ βλέπει με ὄντα, lest he think me greater than on personal knowledge he finds me to be, 2 Corinthians 12:6.
2. metaphorically, to see with the mind's eye;
a. to have (the power of) understanding: βλέποντες οὐ βλέπουσι, though endued with understanding they do not understand, Matthew 13:13; Luke 8:10.
b. to discern mentally, observe, perceive, discover, understand; absolutely: δἰ ἐσόπτρου, 1 Corinthians 13:12; of the omniscient God βλέπων ἐν τῷ κρύπτῷ seeing in secret, where man sees nothing, Matthew 6:4, 6, 18 [here L T Tr WH βλ. ἐν τ. κρυφαίῳ); ἐγγίζουσαν τὴν ἡμέραν, Hebrews 10:25 (from certain external signs); Ἰησοῦν... ἐστεφανωμένον, we see (from his resurrection and from the effects and witness of the Holy Spirit) Jesus crowned, Hebrews 2:9; followed by ὅτι, Hebrews 3:19; James 2:22.
c. to turn the thoughts or direct the mind to a thing, to consider, contemplate, look to; absolutely βλέπετε take heed: Mark 13:23, 33; with an accusative of the thing or person, 1 Corinthians 1:26; 1 Corinthians 10:18; 2 Corinthians 10:7; Philippians 3:2; Colossians 2:5; followed by πῶς with indicative [Winers Grammar, 300 (282); Buttmann, 255 (219)], Luke 8:18; 1 Corinthians 3:10; Ephesians 5:15; to weigh carefully, examine, followed by the interrogative τί with indicative Mark 4:24; εἰς πρόσωπόν τινος, to look at i. e. have regard to one's external condition — used of those who are influenced by partiality: Matthew 22:16; Mark 12:14. By a use not found in Greek authors ἑαυτὸν βλέπειν to look to oneself (equivalent to sibi cavere): Mark 13:9; followed by ἵνα μή [cf. Buttmann, 242 (209)], 2 John 1:8; βλέπειν ἀπό τινος (equivalent to sibi cavere ab aliquo) to beware of one [Winers Grammar, 223 (209), cf. 39 (38); Buttmann, 242 (209), cf. 323 (278)], Mark 8:15; Mark 12:38; look to in the sense of providing, taking care: followed by ἵνα, 1 Corinthians 16:10; followed by μή with subjunctive aorist, Matthew 24:4; Mark 13:5; Luke 21:8; Acts 13:40; 1 Corinthians 8:9 (μήπως); 1 Corinthians 10:12; Galatians 5:15; Hebrews 12:25; followed by μή with future indicative, Colossians 2:8; Hebrews 3:12. The Greeks say ὁρᾶν μή [cf. Winers Grammar, 503 (468f); Buttmann, 242f (209)].
3. in a geographical sense, like Latin specto [English look], of places, mountains, buildings, etc., turned towards any quarter, as it were facing it: followed by κατά with the accusative, Acts 27:12 [cf. Buttmann, D. American edition under the word Phenice], (Sept. [Numbers 21:20]; Ezekiel 11:1; [Ezekiel 44:1; 47:1]; πρός, Xenophon, Hell. 7, 1, 17; mem. 3, 8, 9; Herodian, 6, 5, 2; Diogenes Laërtius 1, 2, 48; Sept. Ezekiel 9:2; Ezekiel 40:24; [Ezekiel 46:1]; εἰς, Ezekiel 8:3, etc. [for other examples see Sophocles Lexicon, under the word]). [Synonym: see under the word ὁράω. Compare: ἀνα-, ἀπο-, δια-, ἐμ-, ἐπι-, περι-, προβλέπω.]

BLB Scripture Index of Thayer's