Self-gratulating refers to people who are excessively self-congratulatory or boastful. For people who want to avoid coming across as arrogant or egotistical, using synonyms for the word self-gratulating can help. Some alternatives that convey a similar meaning include self-aggrandizing, which is used to describe individuals who exaggerate their achievements. Another word that can be used is self-important, which describes people who believe they are better or more important than others. Narcissistic is another synonym that can be used to describe people who are overly self-involved and obsessed with their own achievements. In summary, using these synonyms for self-gratulating can help individuals communicate the same message without sounding overly boastful or self-absorbed.