The word "brownnose" is usually used to describe someone who is overly eager to please others in authority, often by flattery or sycophancy. There are several synonyms for the term including "apple polisher," "bootlicker," "ass kisser," "suck-up," and "yes-man." Other words like "flatterer," "toady," "crawler," "groveler," and "fawner," are also used to refer to people who engage in such behavior. Though it may seem like a harmless behavior, it can be seen as insincere and manipulative, often leading to resentment and negative perceptions by others. It is important to be authentic and professional in your workplace interactions.