alter
US /ˈɑːl.tɚ/
UK /ˈɑːl.tɚ/

1.
modifier, changer, altérer
change or cause to change in character or composition, typically in a comparatively small but significant way
:
•
The tailor will alter the dress to fit you perfectly.
Le tailleur va modifier la robe pour qu'elle vous aille parfaitement.
•
His illness did not alter his good spirits.
Sa maladie n'a pas altéré son bon moral.