chairo ^5463^, "to rejoice," is most frequently so translated. As to this verb, the following are grounds and occasions for "rejoicing," on the part of believers: in the Lord, <Phil. 3:1; 4:4>; His incarnation, <Luke 1:14>; His power, <Luke 13:17>; His presence with the Father, <John 14:28>; His presence with them, <John 16:22; 20:20>; His ultimate triumph, <8:56>; hearing the gospel, <Acts 13:48>; their salvation, <Acts 8:39>; receiving the Lord, <Luke 19:6>; their enrollment in Heaven, <Luke 10:20>; their liberty in Christ, <Acts 15:31>; their hope, <Rom. 12:12> (cf. <Rom. 5:2; Rev. 19:7>); their prospect of reward, <Matt. 5:12>; the obedience and godly conduct of fellow believers, <Rom. 16:19>, RV, "I rejoice" (KJV, "I am glad"); <2 Cor. 7:7,9; 13:9; Col. 2:5; 1 Thes. 3:9; 2 John 4; 3 John 3>; the proclamation of Christ, <Phil. 1:18>; the gospel harvest, <John 4:36>; suffering with Christ, <Acts 5:41; 1 Pet. 4:13>; suffering in the cause of the gospel, <2 Cor. 13:9> (1st part); <Phil. 2:17> (1st part); <Col. 1:24>; in persecutions, trials and afflictions, <Matt. 5:12; Luke 6:23; 2 Cor. 6:10>; the manifestation of grace, <Acts 11:23>; meeting with fellow believers, <1 Cor. 16:17>, RV, "I rejoice"; <Phil. 2:28>; receiving tokens of love and fellowship, <Phil. 4:10>; the "rejoicing" of others, <Rom. 12:15; 2 Cor. 7:13>; learning of the well-being of others, <2 Cor. 7:16>.
(from Vine's Expository Dictionary of Biblical Words)
(Copyright (C) 1985, Thomas Nelson Publishers)