Common collocations with proficient in American Collocation

proficient adjective

US /prəˈfɪʃənt/

extremely

fully

highly

very

Diane is a highly proficient software developer.

fairly

quite

reasonably

sufficiently

I was becoming reasonably proficient at recognizing different species of trees.

He was interested in photography from an early age and was very technically proficient.

confident

experienced

knowledgeable

professional

skilled

We support a number of training courses to help our members become more knowledgeable and proficient.