| crackerjack(noun, person, expert, proficiency, competence) |
| wiz(noun, person, proficiency, competence) |
| craftsman(noun, person, proficiency, expertise) |
| maestro(noun, authority, expert, star, genius) |
| skilled person(noun, expression, authority, expert, genius) |
| thought leader(expression, person, thinking, expertise) |
| veteran(noun, person, proficiency, competence) |
| wizard(noun, master, expert, skilled, informal) |
| devotee(noun, person, authority, proficiency, expertise) |
| brain(noun, authority, expert, specialist) |
| proficient(noun, authority, expert, genius, doctor) |
| critic(noun, person, authority, expertise) |
| aesthete(noun, person, authority, expertise) |
| appreciator(noun, person, authority, expertise) |
| engineer(noun, expertise, scientist, technologist) |
| aficionado(noun, person, authority, proficiency, expertise) |
| gourmet(noun, person, authority, expertise) |
| judge(noun, person, authority, expertise) |
| good judge(expression, person, proficiency, competence) |
| shark(noun, authority, expert, genius, doctor) |