Apprehension

noun

1. The physical act of seizing or taking hold of (something); seizing.
2. The act of seizing or taking by legal process; arrest.
3. Perception; the act of understanding using one's intellect without affirming, denying, or passing any judgment
4. Opinion; conception; sentiment; idea.
5. The faculty by which ideas are conceived or by which perceptions are grasped; understanding.