laughing

Etymology
From ; equivalent to.

Noun

 * 1) The action of the verb to laugh.

Usage notes
As with other present participles, laughing can be used as an adjective:
 * The Laughing Cavalier
 * laughing hyena

Likewise, as with other gerunds, laughing can be used as a verbal noun:
 * Laughing could be heard all the way from the back of the room!

Synonyms

 * (as a gerund): hilarity, laughter