suspicion

(n) an impression that something might be the case
- he had an intuition that something had gone wrong
hunch, intuition,
(n) doubt about someone's honesty distrust, mistrust, misgiving,
(n) the state of being suspected
- he tried to shield me from suspicion
(n) being of a suspicious nature
- his suspiciousness destroyed his marriage
suspiciousness,

hunch intuition distrust mistrust misgiving suspiciousness