When someone or something deserves notice, it means they or it are worthy of attention. There are several synonyms for this phrase, including "merits attention," "commands recognition," "earns consideration," "warrants observance," and "deserves acknowledgment." Each of these synonyms emphasizes the importance or value of the subject at hand and suggests that it is not to be ignored or overlooked. Whether it is a person, event, or idea that deserves notice, using any of these synonyms will communicate its significance and ensure that it is given the attention it deserves.