| all right(expression, idiom) | |
| arbiter(noun, law, judge, expert, boss) | |
| aristocrat(noun, law, judge, expert, boss) | |
| at concert pitch(expression, idiom) | |
| attache | |
| authority figure | |
| bag(noun, adult) | |
| been around(expression, familiar, sophisticated, knowledgeable, competent) | |
| been there(expression, familiar, sophisticated, knowledgeable, competent) | |
| bibliothecal | |
| bibliothecarial | |
| big-time(great, heavy) | |
| big cheese(noun, expression, law, judge, expert) | |
| big league(expression, adjective, important, skilled, skillful) | |
| big shot(noun, expression, law, judge, expert) | |
| big wig(noun, expression, law, judge, expert) | |
| boffin(noun, authority, expert, whiz, prodigy) | |
| boss(noun, law, judge, expert, establishment) | |
| brains(noun, law, judge, expert, boss) | |
| brainy(adjective, smart, familiar, intelligent, knowledgeable) |
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| APA | Smart Define. (2016). professional thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/professional/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "professional thesaurus" https://smartdefine.org/professional/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, professional thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/professional/thesaurus/synonyms>. |
| MLA | Smart Define. "professional thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/professional/thesaurus/synonyms> |