1. (noun)juncture, occasion an event that occurs at a critical time "at such junctures he always had an impulse to leave"; "it was needed only on special occasions"
2. (noun)affair, occasion, social occasion, function, social function a vaguely specified socialevent "the party was quite an affair"; "an occasion arranged to honor the president"; "a seemingly endless round of social functions"
3. (noun)occasion reason "there was no occasion for complaint"
4. (noun)occasion the time of a particularevent "on the occasion of his 60th birthday"
5. (noun)occasion an opportunity to do something
"there was never an occasion for her to demonstrate her skill"