| up to speed(expression, idiom, smart, expert, capable) |
| virtuoso(authority, expert, crackerjack, whiz, specialist) |
| whiz kid(noun, expression, authority, expert, star) |
| specialist(authority, expert, crackerjack, whiz, powerhouse) |
| A-OK(skillful, meritable, slighty) |
| Einstein(smart, skillful, crackerjack, whiz, powerhouse) |
| able(expert, capable, talented) |
| accomplished(expert, capable, talented) |
| active(smart, skillful, nimble-witted) |
| admirable(skillful, meritable, slighty) |
| adroit(smart, expert, capable, skillful, meritable) |
| all there(expression, smart, skillful, nimble-witted) |
| annus mirabilis |
| appreciator(crackerjack, whiz, powerhouse) |
| apt(expert, capable, talented) |
| artist(authority, expert, specialist) |
| assiduous(smart, skillful, nimble-witted) |
| attending physician(expression, crackerjack, whiz, powerhouse) |
| best ever(expression, skillful, meritable, slighty) |
| boy wonder |