Part of Speech: verb (transitive)

Sense 1: To admit or accept the existence or truth of something.

Usage: He acknowledged his mistakes and apologized.

Usage: They refused to acknowledge the problem, causing further complications.

Sample Sentence: The organization acknowledged the efforts of its volunteers by presenting them with certificates.

Sense 2: To recognize someone's presence, authority, or achievement.

Usage: The mayor acknowledged the crowd's applause with a wave.

Usage: The professor acknowledged the student's insightful question during the lecture.

Sample Sentence: The company acknowledged its employees' hard work by organizing a special recognition event.