get up 1. To arise from bed or rise to one's feet: She got up and opened the door.
2. To climb: How long will it take to get up the mountain?
3. To act as the creator or organizer of: got up a petition against rezoning.
4. To dress or adorn: She got herself up in a bizarre outfit.
5. To find within oneself; summon: got up the nerve to quit.