Un-recognizing refers to the act of not recognizing or acknowledging something or someone. The antonyms for un-recognizing are recognizing and acknowledging. Recognizing refers to the act of identifying or acknowledging something or someone as being significant or valid. Acknowledging, on the other hand, refers to recognizing the existence, presence or contribution of something or someone. Unlike un-recognizing, recognizing and acknowledging demonstrate an acceptance, appreciation, and awareness towards an entity's importance, impact or relevance. In summary, recognizing and acknowledging are antonyms of un-recognizing, and these words show appreciation and acceptance towards people, things, or situations.