risible

Of or pertaining to laughter

the risible muscles

A joke merely affected her with silent convulsive twitchings, as though the risible faculties struggled somewhere within her but could not bring the laugh to birth.

Provoking laughter; ludicrous; ridiculous; humorously insignificant

"[…] I hope you find nothing risible in my complaisance?" replied his companion, something jealously.

Do you find it risible when I say the name, 'Biggus Dickus'?

Easily laughing; prone to laughter

We are got indeed into a merry world, Laughing is our main buſiniſs; as if becauſe it has bin made part of the Definition of man, that he his Riſible, his man-hood conſiſted in nothing elſe.

She was half risible, half concerned.