lift someone's spirits
US /lɪft ˈsʌm.wʌnz ˈspɪr.ɪts/
UK /lɪft ˈsʌm.wʌnz ˈspɪr.ɪts/

1.
to make someone feel happier or more hopeful
:
•
A kind word can often lift someone's spirits.
•
The surprise party really helped to lift her spirits after a tough week.