1. takes place; occurs
Usage: third person singular present tense of ‘happen’
2. comes about by chance
Usage: third person singular present tense of ‘happen’

Examples

• The meeting happens every Tuesday at 3 PM.
• What happens if it rains during the picnic?
• This kind of mistake happens all the time.
• Nothing interesting ever happens in this town.
• It just so happens that I know the answer.
• The accident happens to be under investigation.
• She happens to be my neighbor.