There are many synonyms for the term "arse-kissing" or being an obsequious person who excessively flatters or compliments someone in power. Some common synonyms for this behavior include brown-nosing, butt-kissing, ass-licking, bootlicking, fawning, sycophancy, toadyism, groveling, and flattery. These terms describe individuals who are motivated by a desire for personal gain or advancement, rather than honest communication or feedback. They are often seen as insincere and manipulative and can create a toxic work environment. In contrast, genuine praise and appreciation for others should come from a place of respect and authenticity, not a desire for personal gain.