The noun occasion has 5 senses (first 3 from tagged texts)
1. (14) 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. (6) affair, occasion, social occasion, function, social function -- (a vaguely specified social event; "the party was quite an affair"; "an occasion arranged to honor the president"; "a seemingly endless round of social functions")
3. (3) occasion -- (reason; "there was no occasion for complaint")
4. occasion -- (the time of a particular event; "on the occasion of his 60th birthday")
5. occasion -- (an opportunity to do something; "there was never an occasion for her to demonstrate her skill")
Overview of verb occasion
The verb occasion has 1 sense (first 1 from tagged texts)