n. 25B6; noun
a previous occasion : TIME, instance, juncture, point; event, occurrence, affair, incident, episode, experience; situation, case, circumstance.
a family occasion : SOCIAL EVENT, event, affair, function, celebration, party, get-together, gathering; informal do, bash.
I doubt if the occasion will arise : OPPORTUNITY, right moment, chance, opening, window.
it's the first time I've had occasion to complain : REASON, cause, call, grounds, justification, need, motive.
25B6; verb her situation occasioned a good deal of sympathy : CAUSE, give rise to, bring about, result in, lead to, prompt, elicit, call forth, produce, create, arouse, generate, engender, precipitate, provoke, stir up, inspire, spark off, trigger; poetic/literary beget.
25A0; on occasion . See occasionally .