This is from the Scott- Liddel lexicon:
metanoevw fut. metanohvsw ; 1 aor. metenovhsa (Antipho +; inscr. , pap. , LXX , Philo , Joseph. , Test. 12 Patr. ) change one’s mind Hv 3, 7, 3; m 11:4 ( cf. Diod. S. 15, 47, 3 metenovhsen oJ dh`mo" ; 17, 5, 1; Epict. 2, 22, 35; Appian , Hann. 35 §151, Mithrid. 58 §238; Stob. , Ecl. II 113, 5 ff W .; PSI 495, 9 [258
BC ]; Jos. , Vi. 110; 262), then feel remorse, repent, be converted (in religio-ethical sense: X. , Hell. 1, 7, 19 ouj metanohvsante" u{steron euJrhvsete sfa`" aujtou;" hJmarthkovta" ta; mevgista ej" qeouv" te kai; uJma`" aujtouv" ; Plut. , Camill. 29, 3, Ag. 19, 5, Galba 6, 4, Adulat. 36 p. 74 C ; M. Ant. 8, 2; 53; Ps.- Lucian , De Salt. 84 metanoh`sai ejfÆ oi|" ejpoivhsen ; Herm. Wr. 1, 28; Dit., Or. 751, 9 [II BC ] qewrw`n ou\n uJma`" metanenohkovta" te ejpi; toi`" prohmarthmevnoi", Syll. 3 1268 II, 8 [III BC ] aJmartw;n metanovei ; PSI 495, 9 [258/7 BC ]; BGU 747 I, 11; 1024 IV, 25; PTebt. 424, 5; Is 46:8 ; Jer 8:6 ; Sir 17:24 ; 48:15 ; oft. Test. 12 Patr. [ s. index]; Philo [ s. metavnoia ]; Jos. , Bell. 5, 415, Ant. 7, 153;
320) ejn savkkw/ kai; spodw`/ m. repent in sackcloth and ashes Mt 11:21 ; Lk 10:13 . As a prerequisite for attaining the Kgdm. of God in the preaching of John the Baptist and Jesus Mt 3:2 ; 4:17 ; Mk 1:15 . As the subject of the disciples’ preaching 6:12 ; Ac 17:30 ; 26:20 . Failure to repent leads to destruction Lk 13:3 , 5 ; Mt 11:20 . Repentance saves ( cf. Phil o, Spec. Leg. 1, 239 oJ metanow`n swv/zetai ; 253) 12:41; Lk 11:32 ; cf. 15: 7, 10 ; 16:30 . m. eij" to; khvrugmav tino" repent at or because of someone’s preaching Mt 12:41 ; Lk 11:32 ( Bl-D. §207, 1; Rob. 593; s. eij" 6a). W. ejpiv tini to denote the reason repent of, because of someth. ( Charito 3, 3, 11; Ps.- Lucian , Salt. 84; M. Ant. 8, 2; 10; 53; Jo 2:13 ; Jon 3:10 ; 4:2 ; Am 7:3 , 6 ; Prayer of Manasseh [=Ode 12] 7; Philo , Virt. 180; Jos. , Ant. 7, 264; Test. Judah 15:4.— Bl-D. §235, 2) ejpi; th`/ ajkaqarsiva/ of their immorality 2 Cor 12:21 . ejpi; toi`" aJmarthvmasin of their sins 1 Cl 7:7. ejpiv w. subst. inf. foll. MPol 7:2. Also diav ti Hv 3, 7, 2. Since in m. the negative impulse of turning away is dominant, it is also used w. ajpov tino" : repent and turn away from someth. ajpo; th`" kakiva" (Jer 8:6 ) Ac 8:22 (MWilcox, The Semitisms of Ac, ’65, 102-5). ajpo; th`" ajnomiva" 1 Cl 8:3 ( quot. of unknown orig. ). Also e[k tino" Rv 2:21 b, 22 ; 9:20 f ; 16:11 . W. ejpistrevfein ejpi; to;n qeovn Ac 26:20 . m. eij" eJnovthta qeou` turn in repentance to the unity of God (which precludes all disunity) IPhld 8:1b; cf. ISm 9:1. But m. eij" to; pavqo" repent concerning the suffering (of Christ, which the Docetists deny) 5:3. W. inf. foll. Rv 16:9 . W. o{ti foll. repent because or that ( Jos. , Ant. 2,
315) Hm 10, 2, 3. W. adv. ajdistavktw" s 8, 10, 3. braduvteron s 8, 7, 3; 8, 8, 3b. puknw`" m 11:4. tacuv Hs 8, 7, 5; 8, 8, 3a; 5b; 8, 10, 1; 9, 19, 2; 9, 21, 4; 9, 23, 2c. m. ejx o{lh" (th`") kardiva" repent
w. the whole heart 2 Cl 17:1; 19:1; Hv 1, 3, 2; 2, 2, 4; 3, 13, 4b; 4, 2, 5; m 5, 1, 7; 12, 6, 1; s 7:4; 8, 11, 3. m. ejx eijlikrinou`" kardiva" repent w. a sincere heart 2 Cl 9:8.—The word is found further, and used abs. ( Diod. S. 13, 53, 3; Epict. , Ench. 34; Oenomaus [time of Hadrian] in Euseb., Pr. Ev. 5, 19, 1; Philo , Mos. 2, 167 al. ; Jos. , Ant. 2, 322) Lk 17:3 f ; Ac 2:38 ; 3:19 ; Rv 2:5 a ( Vi. Aesopi I c. 85 metanovhson =take counsel with yourself), b, 16, 21; 3:3, 19; 2 Cl 8:1, 2, 3; 13:1; 15:1; 16:1; IPhld 3:2; 8:1a; ISm 4:1; Hv 1, 1, 9; 3, 3, 2; 3, 5, 5; 3, 13, 4a; 5:7; m 4, 1, 5; 7 ff ; 4, 2, 2; 4, 3, 6; 9:6; 10, 2, 4; 12, 3, 3; s 4:4; 6, 1, 3 f ; 6, 3, 6; 6, 5, 7; s 7:2; 4 f ; 8, 6, 1 ff ; 8, 7, 2 f ; 8, 8, 2; 5a; 8, 9, 2; 4; 8, 11, 1 f ; 9, 14, 1 f ; 9, 20, 4; 9, 22, 3 f ; 9, 23, 2; 5; 9, 26, 6; 8; D 10:6; 15:3; PK 3 p. 15, 11; 27.— S. also MPol 9:2; 11:1 f , in the sense repent from Christianity.—Windisch, Exc. on 2 Cor 7:10 p. 233 f ; Norden, Agn. Th. 134 ff ; AHDirksen, The NT Concept of Metanoia, Diss. Cath. Univ. of America, Washington, ’32; FPShipham, ET 46, ’35, 277-80; EKDietrich, D. Umkehr (Bekehrg. u. Busse) im AT u. im Judent. b. bes. Berücksichtigg. der ntl. Zeit ’36; HPohlmann, D. Metanoia ’38; OMichel, Ev. Theol. 5, ’38, 403-14; BPoschmann, Paenitentia secunda ’40, 1-205 (NT and Apost. Fathers); JBehm and EWürthwein, TW IV 972-1004. S. metamevlomai , end. M-M. B. 1123.*
metavnoia
metavnoia, a", hJ a change of mind ( Thu. 3, 36, 4; Polyb. 4, 66, 7; Appian , Mithrid. 16 §57; Jos. , C. Ap. 1, 274, Ant. 16, 125), remorse (as regret for shortcomings and errors: Batr. 69; Lycon the Peripatetic [III BC ] in Diog. L. 5, 66; Polyb. 18, 33, 7; Stoic. III p. 147, l. 21 f ; Cebes 10, 4; 11, 1; Plut. , Mor. 56 A ; 68 F ; 961 D , Alex. 11, 4, Mar. 10, 4; 39, 3; Charito 1, 3, 7; Appian , Liby. 52 §225; 102 §482; 116 §553; M. Ant. 8, 10; Ps.- Lucian , Calumn. 5; Jos. , Ant. 13, 314) in our lit. w. an expressly religious