Extended Strong's Greek Lexicon (Abbott-Smith based)
to rejoice with
Usage: συν-χαίρω (Rec. συγ-), [in LXX: Gen.21:6 (צָחַק), 3Ma.1:8 R * ;] __1. to rejoice with: with dative of person(s), Luk.1:58 15:6, 9, Php.2:17-18, EV; with dative of thing(s), 1Co.12:26 13:6. __2. to congratulate (Æschin., Polyb., al.): Phi, l.with (Lft., in I.; cf. MM, xxiv).† (AS)