Recurrence

n.

1.

The act of recurring, or state of being recurrent; return; resort; recourse. I shall insensibly go on from a rare to a frequent recurrence to the dangerous preparations. - I. Taylor.

Noun

1.

recurrence - happening again (especially at regular intervals); "the return of spring" Synonyms: return

atavism, flashback, recur, repeat, repetition, return, reversion, throwback