[1] : The Collaborative International Dictionary of English v.0.48

excogitation \excog`ita"tion\, n. l. excogitatio: cf. f.
   excogitation.
   the act of excogitating; a devising in the thoughts;
   invention; contrivance.
   1913 webster

[2] : WordNet (r) 2.0

excogitation
     n 1: thinking something out with care in order to achieve
          complete understanding of it
     2: the creation of something in the mind syn: invention, innovation,
         conception, design
see also:
invention innovation conception design 

Excogitation >> E Words
Excogitation, definition of term: Excogitation
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