1. expressing or conveying congratulations; relating to or expressing joy or praise for someone's success or good fortune
Usage: formal or literary; less common than 'congratulatory'

Examples

• The president sent a gratulatory message to the Olympic gold medalist.
• Her gratulatory remarks at the ceremony were warmly received by the honoree.
• The letter contained gratulatory wishes for the couple's new marriage.
• He offered gratulatory comments on her promotion to senior manager.
• The gratulatory tone of the speech reflected genuine admiration for the award winner.