Abbott-Smith Manual Greek Lexicon
ναί (G3483)
33 ναί , particle of affirmation, yea , verily , even so ; in answer to a question: Mt 9:28 13:51 17:25 21:16 , Jo 11:27 21:15 , 16 , Ac 5:8 22:27 , Ro 3:29 ; seq. λέγω ὑμῖν , Mt 11:9 , Lk 7:26 ; repeated for emphasis, ναὶ ναί (opp. to οὒ οὔ ): Mt 5:37 ; ἤτω ὑμῶν τὸ ναὶ ναί , Ja 5:12 ; ν. καὶ οὔ , II Co 1:18 , 19 ; ἵνα ᾖ . . . τὸ ναὶ ναί , II Co 1:17 ; τὸ ν. , II Co 1:20 ; in assent to an assertion: Mt 15:27 , Mk 7:28 , Re 14:13 16:7 ; in confirmation of a previous assertion: Mt 11:26 , Lk 10:21 11:51 12:5 , Phl 4:3 , Phm 20 ; in solemn asseveration: Re 1:7 22:20 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain