sometimes; occasionally; at times; from time to time; now and then; once in a while; at intervals ; seasonal; of the season; appropriate (for the season or occasion)
to celebrate; to congratulate; to observe (a festival) ; to present (a gift) in celebration; to drink in celebration ; to wish for (a happy future, good fortune, etc.); to pray for
to live; to exist ; to make a living; to subsist ; to be in effect; to be in use; to function ; to come to life; to be enlivened ; to be safe (in baseball, go, etc.)