Monkey suits, a colloquial term for formal attire or a tuxedo, can be replaced by several synonyms. Some of these synonyms include evening dress, black tie, formal wear, formal attire, dress clothes, and formal outfit. The word "Black Tie" is commonly used to describe formalwear, particularly for evening events such as weddings and galas, while "evening dress" is more commonly used to describe a formal gown for women. The term "formal wear" is typically used to describe any attire that is appropriate for a formal occasion, without being overly specific. Regardless of the synonym used, it is essential to dress appropriately for any formal event.