Definitions of suspect:

• noun:   someone who is under suspicion
• noun:   a person or institution against whom an action is brought in a court of law; the person being sued or accused
• verb:   imagine to be the case or true or probable

  Example: "I suspect he is a fugitive"

• verb:   hold in suspicion; believe to be guilty

  Example: "The U.S. suspected Bin Laden as the mastermind behind the terrorist attacks"

• verb:   regard as untrustworthy; regard with suspicion; have no faith or confidence in
• adjective:   not as expected

  Example: "Her motives were suspect"