The most suitable or opportune time for something.
1. At the appropriate time*, we will announce the winner of the competition. 2. It is important to take breaks and rest at *appropriate times to avoid burnout.
1. "There is an appropriate time to talk about everything." Beyoncé, Source: https://www.brainyquote.com/quotes/beyonce_knowles_732237 2. "Patience is not simply the ability to wait it's how we behave while we're waiting."