improvise
    v 1: perform without preparation; "he extemporized a speech at
         the wedding" [syn: improvise, improvize, ad-lib,
         extemporize, extemporise]
    2: manage in a makeshift way; do with whatever is at hand;
       "after the hurricane destroyed our house, we had to improvise
       for weeks" [syn: improvise, extemporize]

Improvise \Im`pro*vise"\, v. i.
   To produce or render extemporaneous compositions, especially
   in verse or in music, without previous preparation; hence, to
   do anything offhand.
   [1913 Webster]

Improvise \Im`pro*vise"\, v. t. [imp. & p. p. Improvised; p.
   pr. & vb. n. Improvising.] [F. improviser, it.
   improvvisare, fr. improvviso unprovided, sudden, extempore,
   L. improvisus; pref. im- not + provisus foreseen, provided.
   See Proviso.]
   1. To compose, recite, or sing extemporaneously, especially
      in verse; to extemporize; also, to play upon an
      instrument, or to act, extemporaneously.
      [1913 Webster]

   2. To bring about, arrange, do, or make, immediately or on
      short notice, without previous preparation and with no
      known precedent as a guide.
      [1913 Webster +PJC]

            Charles attempted to improvise a peace. --Motley.
      [1913 Webster]

   3. To invent, or provide, offhand, or on the spur of the
      moment; as, he improvised a hammer out of a stone.
      [1913 Webster]