adept
US /əˈdept/
UK /əˈdept/

1.
mahir, cekatan
very skilled or proficient at something
:
•
She is adept at problem-solving.
Dia mahir dalam penyelesaian masalah.
•
He became adept at handling difficult customers.
Dia menjadi mahir dalam mengendalikan pelanggan yang sukar.