ἑορτάζειν
From LSJ
κατὰ τὸν δεύτερον, φασί, πλοῦν τὰ ἐλάχιστα ληπτέον τῶν κακῶν → we must as second best, as people say, take the least of the evils
Greek > English (Woodhouse Verbs Reversed)
(see also ἑορτάζω): hold a celebration, keep festival, keep holiday