Freshen (verb)

1. To make something fresh or new again.
2. To make something clean or tidy again.

Origin:

From the middle english word "freschen" meaning to make fresh or new.

Examples:

1. She freshened up the room by adding new flowers.
2. He freshened up before the meeting.
3. The air was freshened by the breeze.
4. The company freshened up its image with a new logo.
5. She freshened up the guest room for the visitors.