When you're planning to leave a job, or you need to inform someone of a change in plans, you'll want to give notice. The phrase "give notice of" communicates the idea of informing others about something that's about to happen. However, there are alternative phrases that can be used instead, such as: notify, inform, let someone know, apprise, or advise. All of these words create the same sense of communication and are commonly used interchangeably with "give notice of." Whatever word you choose, make sure it gives a clear and concise message, so that the recipient fully understands the situation.