General terms:
* Proficiency: Excellent ability, expertise.
* Mastery: Complete control and understanding of a skill.
* Virtuosity: Exceptional technical skill, especially in the arts.
* Talent: Natural aptitude or ability.
* Genius: Exceptional intellectual ability or creative power.
* Expertise: Specialized knowledge and skill.
* Acumen: Keenness of judgment or insight.
* Savvy: Shrewdness and practical knowledge.
More specific terms:
* Artisan: Skilled craftsman.
* Mastermind: Highly intelligent and skillful person, especially in strategy or planning.
* Maestro: A highly skilled and respected musician, especially a conductor.
* Wizard: Someone with exceptional skill in a particular field.
* Guru: A respected teacher or expert.
* Ace: Someone who excels in a particular skill or activity.
* Whizz: Someone who is exceptionally skilled or knowledgeable in a particular subject.
Figurative language:
* Gifted: Having a natural talent for something.
* Blessed: Having been given a special ability.
* Born with a silver spoon: Having a natural advantage in life.
The best word to use will depend on the specific context and the level of skill you want to describe.