risus

Etymology
Perfect passive participle of.

Participle

 * 1) laughed at, ridiculed, mocked, having been ridiculed

Noun

 * 1) laughter, laughing
 * 2) mockery, jest
 * 3) practical joke, sport
 * 4) smile
 * 1) smile
 * 1) smile

Usage notes

 * Often used with "movere" (risum movere) to mean "make [someone] laugh".