risible
Concise Oxford English Dictionary © 2008 Oxford University Press:
risible /ˈrɪzɪb(ə)l/
▶adjective such as to provoke laughter.
– derivatives
risibility noun,
risibly adverb.
risibility noun,
risibly adverb.
– origin C16 (in the sense ‘inclined to laughter’): from late L. risibilis, from L. ris-, ridere ‘to laugh’.
'risible' also found in these Oxford entries:

