1 tr. mark (a festival or special event) with festivities etc.
2 tr. perform publicly and duly (a religious ceremony etc.).
3 a tr. officiate at (the Eucharist). b intr. officiate, esp. at the Eucharist.
4 intr. engage in festivities, usu. after a special event etc.
5 tr. (as celebrated adj.) publicly honoured, widely known.
Derivatives:
celebration n. celebrator n. celebratory adj.
Etymology: L celebrare f. celeber -bris frequented, honoured
Useful english dictionary. 2012.