The Collaborative International Dictionary of English v.0.48:
Intrinsical \In*trin"sic*al\, a. [Formerly written intrinsecal.] [1913 Webster] 1. Intrinsic. [1913 Webster] 2. Intimate; closely familiar. [Obs.] --Sir H. Wotton. [1913 Webster]WordNet (r) 3.0 (2006):
intrinsical adj 1: belonging to a thing by its very nature; "form was treated as something intrinsic, as the very essence of the thing"- John Dewey [syn: intrinsic, intrinsical] [ant: extrinsic]