Brush up
Blow up
Put up
Top up
look up
keep up
take up
Grow up
go up
set up
make up
to stay level or equal with someone or something
to invent or create a story.
to start doing something regularly as a habit, job, or interest.
to move higher, rise, or increase.
to fill to maximum capacity
to look for information until it appears.
to become an adult (literally, to grow until you finish growing).
Revise, refresh knowledge.
establish oneself in a business or profession
to attach something, esp. to a wall or on a high place.
Explode, (detonate)