accomplished
Highly skilled at something because of lots of practice.
Accomplished means highly skilled at something through practice and dedication. An accomplished pianist can play difficult pieces with ease because they've spent years practicing scales, learning music theory, and performing. An accomplished athlete makes hard moves look effortless because of countless hours of training.
The word suggests a level of mastery that comes from sustained effort over time. A ten-year-old might be a good soccer player, but a professional athlete is accomplished. Your aunt who paints on weekends might create nice pictures, but Michelangelo was an accomplished artist whose skills changed the course of art history.
You can be accomplished in almost any field: an accomplished chef, an accomplished scientist, an accomplished writer. The word often appears when someone has developed their abilities to the point where others recognize their expertise. When you read that someone is accomplished, you know they didn't just try something once or twice. They committed, worked through challenges, and reached a level where their skill truly stands out.