sus·pect 
(sə-spĕkt)
(sə-spĕkt)v. sus·pect·ed, sus·pect·ing, sus·pects
v.tr.
1. To consider (something) to be true or probable on little or no evidence: I suspect they are very disappointed.
2. To have doubts about (something); distrust: I suspect his motives.
3. To consider (a person) guilty without proof: The police suspect her of murder.
v.intr.
To have suspicion.
n. (sŭspĕkt′)
One who is suspected, especially of having committed a crime.
adj. (sŭspĕkt′, sə-spĕkt)
Open to or viewed with suspicion: a suspect policy; suspect motives.
[Middle English suspecten, from Old French suspecter, from Latin suspectāre, frequentative of suspicere, to look up at, suspect : su-, sub-, from below; see SUB- + specere, to look at; see spek- in the Appendix of Indo-European roots.]