Definition from macmillandictionary.com
I took up smoking when I was at school.
Chris has taken up jogging.
The new surgeon will take up her post in May.
These files take up a lot of disk space.
I’ll try not to take up too much of your time.
Schools are taking up the offer of cut-price computers.
One of our greatest athletes has taken up a new challenge.
She fell silent, and her brother took up the story.
Mrs Pankhurst took up the cause of women’s rights.
Would you be willing to take up arms for this cause?
Mice have taken up residence under their floorboards.