Synonyms for Often:

adj.

•frequent (adjective)
many, repeated, prevalent, common, habitual, usual, frequent, recurrent.

adv.

•frequently (adverb)
much, usually, ofttimes, oftentimes, habitually, generally, regularly.
•while (adverb)
for now, During, till, yet, up until, up to, throughout, all along, in the meantime, meantime, always, meanwhile, for the time being, in the course of.

adv

•frequently (adverb)
oftentimes, oft, ofttimes, many times.
•while (adverb)
for now, During, till, yet, up until, up to, throughout, all along, in the meantime, meantime, always, meanwhile, for the time being, in the course of.

n.

continual, all the time, perpetual. typically, routinely, naturally, regularly, per usual, normally, habitually, as usual, consistently, customarily, big, generally, commonly, usually. •often (noun)
much, oftentimes, a great deal, frequently, oft, ofttimes.
•usually (noun)
regularly, many times.

Other synonyms:

habitually, routinely, consistently, continual, perpetual, typically. generally, normally, commonly, customarily, naturally, usually. regularly.

Usage examples for often

1. I have done it- often – Beyond by John Galsworthy

2. Yes; I come here very often – In Luck at Last by Walter Besant

3. They often laugh at us. – The Little House in the Fairy Wood by Ethel Cook Eliot