Risible /(?)/

Ris·i·ble

Risible

a.
  1. Having the faculty or power of laughing; disposed to laugh.
    Laughing is our busines, . . . it has been made the definition of man that he is risible.
  2. Exciting laughter; worthy to be laughed at; amusing.
    I hope you find nothing risible in my complaisance.
  3. Used in, or expressing, laughter; as, risible muscles.