The Oxford Thesaurus An A-Z Dictionary of Synonyms - gigglev.

1) titter, snicker, snigger, chuckle, laugh, chortle, cackle, twitter: Stop that giggling at the rear of the classroom! --n. 2) titter, snicker, snigger, chuckle, laugh, chortle, cackle, twitter: Did I hear a giggle? 3 joke, prank, laugh: Just for a giggle, we tied his shoelaces together.