act of suspecting.

the state of mind or feeling of one who suspects

Suspicion kept him awake all night long.

an instance of suspecting something or someone.

state of being suspected

under suspicion; above suspicion.

imagination of anything to be the case or to be likely; a vague notion of something.

a slight trace, hint, or suggestion

a suspicion of a smile.

Nonstandard . to suspect.

noun

trust , information , knowledge

noun

bad vibes , chariness , conjecture , cynicism , distrust , dubiety , dubiosity , funny feeling * , guess , guesswork , gut feeling , hunch , idea , impression , incertitude , incredulity , jealousy , lack of confidence , misgiving , mistrust , nonbelief , notion , qualm , skepticism , sneaking suspicion , supposition , surmise , uncertainty , wariness , wonder , cast , glimmer , intimation , shade , shadow , smell , soupon , strain , streak , suggestion , tinge , touch , whiff , intuition , doubt , leeriness , doubtfulness , dubiousness , question , implication , inkling , undercurrent , undertone , breath , dash , ghost , hair , hint , semblance , taste , trace , whisper , (colloq.) suggestion , apprehension , caution , concern , feeling , uneasiness