adjustment
US /əˈdʒʌst.mənt/
UK /əˈdʒʌst.mənt/

1.
a small alteration or movement made to achieve a desired fit, appearance, or result
:
•
He made a slight adjustment to the camera lens.
•
The tailor made some adjustments to the suit.
2.
the process of adapting or becoming used to a new situation
:
•
Her adjustment to college life was smooth.
•
It takes time for a new employee to make an adjustment to a new work environment.