Merriam-Webster Collegiate Dictionary - suspicion

 I. noun  Etymology: Middle English suspecioun, from Anglo-French, from Latin ~-, suspicio, from suspicere to suspect — more at suspect  Date: 14th century  1.  a. the act or an instance of suspecting something wrong without proof or on slight evidence ; mistrust  b. a state of mental uneasiness and uncertainty ; doubt  2. a barely detectable amount ; trace just a ~ of garlic  Synonyms: see uncertainty  II. transitive verb  (~ed; ~ing)  Date: circa 1637 chiefly dialect suspect