Laughable, 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.
Shades of meaning
Fernald has no entry of its own for laughable; he lists it under queer.
He lists it without comment; the entries above explain its neighbors.