Suspicion (noun)

1. The feeling or belief that something is likely to be true, without having definitive proof.
2. The belief that someone is guilty of a crime or is doing something wrong without having definitive proof.
3. A feeling of doubt or uncertainty about someone or something.
4. A lack of trust or confidence in someone or something.
5. The state of being suspected of something.

Origin:

From middle english suspicion, from old french suspicion, from latin suspiciō ("a looking at, a watching, a suspecting"), from suspectus, past participle of suspicere ("to look at, to watch, to suspect"), from sub- ("under") + specere ("to loo.k")

Examples:

1. He had a suspicion that something was wrong.
2. She had a suspicion that he was lying.
3. The police had a suspicion that he was involved in the crime.
4. The company had a suspicion that the employee was stealing.
5. The manager had a suspicion that the employee was not working hard.