Verb
To meet; to clash.
To go in order to meet; to make reply.
To meet one's eye; to be found or met with; to present itself; to offer; to appear; to happen; to take place; as, I will write if opportunity occurs.
To meet or come to the mind; to suggest itself; to be presented to the imagination or memory.
Source: Webster's dictionaryWe are ready for any unforeseen event that may or may not occur. Dan Quayle
It was one of those perfect English autumnal days which occur more frequently in memory than in life. P. D. James
There is a maxim about the universe which I always tell my students: That which is not explicitly forbidden is guaranteed to occur. Lawrence M. Krauss
Human felicity is produced not as much by great pieces of good fortune that seldom happen as by little advantages that occur every day. Benjamin Franklin
Genius is present in every age, but the men carrying it within them remain benumbed unless extraordinary events occur to heat up and melt the mass so that it flows forth. Denis Diderot
Marriage must occur early or it will never happen. Sicilian Proverb