Conjugation for “rendre” involves transforming the verb to express different grammatical aspects like tense, mood, and person. It allows speakers to convey the time of an action (past, present, future), the speaker’s attitude (indicative, subjunctive, imperative), and who is performing the action (I, you, he/she, we, they). By correctly conjugating “rendre,” speakers can accurately express their thoughts and communicate effectively in French.