Excogitate \Ex*cog"i*tate\v. t. [imp. & p. p. {Excogitated}; p. pr. & vb. n.. {Excogitating}.] [L. excogitatus, p. p. of excogitare to excogitate; ex out + cogitare to think. See {Cogitate}.] To think out; to find out or discover by thinking; to devise; to contrive. ``Excogitate strange arts.'' --Stirling. This evidence . . . thus excogitated out of the general theory. --Whewell.