on occasion
Once in a while; occasionally. I don't really drink, but I do enjoy a nice glass of wine with a meal on occasion.
on occasion
occasionally. I like to go to the movies on occasion. On occasion, Mary would walk her dog through the park.
on occasion
From time to time, now and then, as in Nell has been known to eat meat on occasion. This usage, first in the form of upon occasion, replaced by occasion about 1600.
on ocˈcasion(s)
sometimes; not very often: I don’t smoke cigarettes but I like to smoke a cigar on occasion. on occasion
From time to time; now and then.