alter · verb I or T /ˈɔːl.tər/
alter
B2 to change, or to make someone or something change
Dictionary examples:
We've had to alter some of our plans.
Giving up our car has altered our lifestyle a lot.
Learner example:
And this abundance of new experiences and revelations should result in altering, improving [and] broadening our outlook on life. (First Certificate in English; B2; Polish)