at someone's suggestion
US /æt ˈsʌm.wʌnz səɡˈdʒes.tʃən/
UK /æt ˈsʌm.wʌnz səɡˈdʒes.tʃən/

1.
following someone's advice or idea
:
•
At her suggestion, we decided to visit the museum.
•
He applied for the job at his friend's suggestion.
following someone's advice or idea