lend credence to
US /lend ˈkriː.dəns tuː/
UK /lend ˈkriː.dəns tuː/

1.
to make something seem more believable or likely to be true
:
•
The new evidence lent credence to his alibi.
•
His calm demeanor lent credence to his claim of innocence.
to make something seem more believable or likely to be true