Abbott-Smith Manual Greek Lexicon
θαρρέω (G2292)
8 θαρρέω , -ῶ (later form of θαρσέω ), [in LXX: Pr 1:21 , Ba 4:21 , 27 , Da LXX 6:16 ( 17 ), IV Mac 13:11 17:4 *;] to be of good cheer or courage , to be confident : II Co 5:6 , 8 , He 13:6 ; τ. πεποιθήσει , II Co 10:2 ; seq. εἰς , II Co 10:1 ; ἐν , II Co 7:16 .† SYN. : τολμάω . " θ. has reference more to the character, τ. to its manifestation" (Thayer, s.v. τολμάω ).
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain