Source : Webster's Revised Unabridged Dictionary (1913)

Laughable \Laugh"a*ble\, a.
   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 : WordNet®

laughably
     adv : so as to arouse or deserve laughter; "her income was
           laughably small, but she managed to live well" [syn: {ridiculously},
            {ludicrously}, {preposterously}]