Mirthful \Mirth"ful\, a.

1. Full of mirth or merriment; merry; as, mirthful children.

2. Indicating or inspiring mirth; as, a mirthful face.

Mirthful, comic shows. --Shak. -- Mirth"ful*ly, adv. -- Mirth"ful*ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)