Suspect
Definition 1 of 4
Pro Tip 1/3
Initial Doubt
Use when you just begin to think someone did wrong, before proof. I suspect he's hiding something from us.
Pro Tip 2/3
Flexible Strength
The level of certainty can vary, from a hunch to near certainty. She suspected the noise was just the wind.
Pro Tip 3/3
Not Just Guilt
It can also imply someone might be involved in any situation, not only criminal. I suspect he knows more than he's saying.