Meaning of “suspicion” - Learner’s Dictionary

suspicion

noun uk us /səˈspɪʃən/
ABOUT SOMEONE [ C, U ]

B2 a feeling or belief that someone has done something wrong:

They were arrested on suspicion of drug dealing.
Several members of staff are under suspicion of stealing money.
ABOUT SOMETHING [ C ]

B2 an idea that something may be true:

[ + (that) ] I had a sneaking suspicion that the two events might be connected.

(Definition of “suspicion” from the Cambridge Learner’s Dictionary © Cambridge University Press)