LAUGHABLY
laughably, ridiculously, ludicrously, preposterously
(adverb) so as to arouse or deserve laughter; “her income was laughably small, but she managed to live well”
Source: WordNet® 3.1
Etymology
Adverb
laughably (not comparable)
In a manner that can be laughed at, humorous, in a laughable manner.
Source: Wiktionary
LAUGHABLE
Laugh"a*ble, a.
Definition: Fitted to excite laughter; as, a laughable story; a laughable
scene.
Syn.
– Droll; ludicrous; mirthful; comical. See Droll, and Ludicrous.
– Laugh"a*ble*ness, n.
– Laugh"a*bly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition