An Etymological Dictionary of Astronomy and Astrophysics

1. The state of mind or feeling of one who suspects.
   

2. An instance of suspecting something or someone (Dictionary.com).

Etymology (EN): M.E., from suspecioun, from O.Fr. suspicion, sospeçon “mistrust, suspicion,” from L.L. suspectionem “mistrust, suspicion, fear,” noun of state from past participle stem of L. suspicere “to look up at,” → suspect.

Etymology (PE): Verbal noun from bargâsidan, → suspect.