Perception; the act of understanding using one's intellect without affirming, denying, or passing any judgment
Opinion; conception; sentiment; idea.
Anticipation, especially of unfavorable things such as dread or fear or the prospect of something unpleasant in the future.
The faculty by which ideas are conceived or by which perceptions are grasped; understanding.
The physical act of seizing or taking hold of (something); seizing.
The act of seizing or taking by legal process; arrest.
Conscious understanding of something.
That which is detected by the five senses; not necessarily understood (imagine looking through fog, trying to understand if you see a small dog or a cat); also that which is detected within consciousness as a thought, intuition, deduction, etc.
Vision (ability)
The organisation, identification and interpretation of sensory information.
Acuity