"proficient" in the adjective sense
1. adept, expert, good, practiced, proficient, skillful, skilful
having or showing knowledge and skill and aptitude
"adept in handicrafts"
"an adept juggler"
"an expert job"
"a good mechanic"
"a practiced marksman"
"a proficient engineer"
"a lesser-known but no less skillful composer"
"the effect was achieved by skillful retouching"
2. technical, proficient
of or relating to technique or proficiency in a practical skill
"his technical innovation was his brushwork"
"the technical dazzle of her dancing"
Source: WordNet® (An amazing lexical database of English)
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