proficient

adjectives

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"
is derived from
is derived from
of or relating to technique or proficiency in a practical skill
"his technical innovation was his brushwork"; "the technical dazzle of her dancing"
pertains to