A more thorough explanation:

Definition: Suitable or appropriate.

Examples:

• Wearing a tuxedo to a wedding is apposite attire.
• Using humor in a speech can be apposite to lighten the mood.
• Bringing a gift to a party is apposite etiquette.

The word "apposite" means that something is fitting or appropriate for a certain situation. The examples show how different things can be apposite in different situations. Wearing a tuxedo to a wedding is apposite because it is formal and matches the occasion. Using humor in a speech can be apposite because it can make people feel more comfortable and engaged. Bringing a gift to a party is apposite because it is a polite and thoughtful gesture.