definition congratulations
conÂ·gratÂ·uÂ·late. tr.v. conÂ·gratÂ·uÂ·latÂ·ed, conÂ·gratÂ·uÂ·latÂ·ing, conÂ·gratÂ·uÂ·lates. To express one's joy or good wishes to (someone) regarding that person's achievement or good fortune: congratulated her on her promotion.