Source : Webster's Revised Unabridged Dictionary (1913)

Prompt \Prompt\, v. t. [imp. & p. p. {Prompted}; p. pr. & vb. n.
   {Prompting}.]
   1. To assist or induce the action of; to move to action; to
      instigate; to incite.

            God first . . . prompted on the infirmities of the
            infant world by temporal prosperity.  --Jer. Taylor.

   2. To suggest; to dictate.

            And whispering angles prompt her golden dreams.
                                                  --Pope.

   3. To remind, as an actor or an orator, of words or topics
      forgotten.