suspect
noun
someone who is under suspicion
a person or institution against whom an action is brought in a court of law; the person being sued or accused
Synonymsdefendant
verb
imagine to be the case or true or probable
“I suspect he is a fugitive”
“I surmised that the butler did it”
Synonymssurmiseregard as untrustworthy; regard with suspicion; have no faith or confidence in
hold in suspicion; believe to be guilty
“The U.S. suspected Bin Laden as the mastermind behind the terrorist attacks”
adjective
not as expected
“there was something fishy about the accident”
“up to some funny business”
Source: WordNet 3.1, Princeton University
