Evening out is a phrase that people often use to refer to a social event or occasion that takes place in the evening. There are plenty of synonyms for this phrase that can be used in different contexts and situations. For example, you could say "night out," "dinner date," "outing," "get-together," "soiree," "gathering," "festivity," "celebration," "night on the town," "party," "social event," or "hangout." Each of these synonyms may have slightly different connotations or implications, but they all refer to a similar concept of enjoying oneself with others during the nighttime hours. Whether you're planning a romantic evening out or a wild night on the town, there are plenty of ways to express this idea with language.