Longman Dictionary of Contemporary English - suspicion

~ n 1 a feeling that someone is probably guilty of doing something wrong or dishonest  (have your suspicions (=think you probably know who did something wrong))  (I'm not sure who took it, but I have my suspicions. | have a sneaking suspicion (=have a slight feeling that someone has done something wrong without having any definite information) | arouse sb's suspicions)  (Neighbours' suspicions were aroused by the bruises on the child's arms.) 2 on suspicion of because someone is thought to be guilty of a crime  (She was arrested on suspicion of killing her boyfriend.) 3 under suspicion someone who is under suspicion of a crime is thought to be guilty of it  (come/fall under suspicion)  (When Stalin was in power everyone came under suspicion, even Communist Party members.) 4 above/beyond suspicion if someone is above or beyond suspicion, they definitely could not be guilty of a crime or have done something wrong  (Just because she knew and liked Dysart did not mean that the man was necessarily above suspicion.) 5 a feeling that you do not trust someone  (She always treated us with suspicion. | look upon/regard sb with suspicion)  (Anyone who expressed any kind of liberal opinion was regarded with deep suspicion.) 6 a feeling that something has happened is true  (There is always a suspicion that the legal system is designed to suit lawyers rather than to protect the public. | suspicion (that))  (I had a suspicion she might be hurt.) 7 a suspicion of sth a very small amount of something seen, heard, tasted etc  (I could see the faintest suspicion of a tear in her eyes.)