Can Understandable Be a Noun?

(uncountable) Mental, sometimes emotional process of comprehension, assimilation of knowledge, which is subjective by its nature. (countable) Reason or intelligence, ability to grasp the full meaning of knowledge, ability to infer. (countable) Opinion, judgement or outlook.

Is Understandable a noun or adjective?

Capable of being understood; comprehensible.

Is understand a verb or a noun?

verb (used without object), un·der·stood, un·der·stand·ing. to perceive what is meant; grasp the information conveyed: She told them about it in simple words, hoping they would understand. to accept tolerantly or sympathetically: If you can't do it, I'll understand.