There are many words and phrases to replace "take down a notch." Some alternatives are: humble, deflate, lower, reduce, diminish, belittle, undermine, diminish, minimize, depreciate, derogate, disparage, deprecate, and downgrade. All these words connote reducing someone's ego, tone, or oomph. Every word has different connotations, and it is important to pick the right one to ensure the intended meaning is conveyed. In most cases, these synonyms are used when someone is showing off or bragging too much. Instead of confronting them or attacking them, users can use these gentle alternatives to bring them back to earth.