pos>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. [ 1913 Webster ]
This evidence . . . thus excogitated out of the general theory. Whewell. [ 1913 Webster ]
(v) come up with (an idea, plan, explanation, theory, or principle) after a mental effort, Syn. excogitate, forge, contrive, devise, formulate, Example:excogitate a way to measure the speed of light