Being attentive is an important quality in any relationship or interaction. There are several synonyms that can be used to describe someone who is attentive. One such synonym is "observant," which indicates that someone is paying close attention to their surroundings and those around them. Another synonym is "alert," which suggests that someone is quick to notice things and respond accordingly. "Attentive" can also be replaced with "mindful," which means being focused and present in the moment. "Aware," "watchful," and "vigilant" are other synonyms that describe someone who is attentive. Whatever word is used, being attentive is an admirable trait that can improve relationships and communication.