[trep.i.da.tion] n [L trepidation-, trepidatio, fr. trepidare to tremble, fr. trepidus agitated; prob. akin to OE thrafian to urge, push, Gk trapein to press grapes] (1605) 1 archaic: a tremulous motion: tremor
2: timorous uncertain agitation: apprehension syn see fear