Laugh, v. t.
 1. To affect or influence by means of laughter or ridicule.
    Will you laugh me asleep, for I am very heavy?   --Shak.
    I shall laugh myself to death.   --Shak.
 2. To express by, or utter with, laughter; -- with out.
    From his deep chest laughs out a loud applause.   --Shak.
 To laugh away. (a) To drive away by laughter; as, to laugh away regret. (b) To waste in hilarity. “Pompey doth this day laugh away his fortune.” --Shak.
 To laugh down. (a) To cause to cease or desist by laughter; as, to laugh down a speaker. (b) To cause to be given up on account of ridicule; as, to laugh down a reform.
 To laugh one out of, to cause one by laughter or ridicule to abandon or give up; as, to laugh one out of a plan or purpose.
 To laugh to scorn, to deride; to treat with mockery, contempt, and scorn; to despise.