con·grat·u·late / kənˈgrachəˌlāt; -ˈgrajə-/ • v. [tr.] give (someone) one's good wishes when something special or pleasant has happened to them: I went into the living room to congratulate Bill on his marriage. ∎ praise (someone) for a particular achievement: the operators are to be congratulated for the excellent service. ∎ (congratulate oneself) feel pride or satisfaction: she congratulated herself on her powers of deduction. DERIVATIVES: con·grat·u·la·tor / -ˌlātər/ n. con·grat·u·la·to·ry / -ləˌtôrē/ adj.