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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.
(a word of kindly greeting, as to one whose arrival gives pleasure): Welcome, stranger! noun. 2. a kindly greeting or reception, as to one whose arrival gives pleasure: to give someone a warm welcome. verb (used with object), welcomed, welcoming. 3. to greet the arrival of (a person, guests, etc.) with pleasure or kindly courtesy.