| authoritative |
| authorized(adjective, smart, experience, know, capable) |
| battle-scarred(experienced, hardened, veteran) |
| be familiar with(expression, idiom) |
| be up on(careful, cautious, aware, attentive, wary) |
| been around(expression, familiar, skilled, qualified, informed) |
| been there(expression, familiar, skilled, qualified, informed) |
| broad-minded(adjective, rational, tolerant, progressive) |
| broken in(expression, familiar, skilled, qualified, informed) |
| cagey(smart, bright, careful, intelligent, wise) |
| careful(sound, sharp, sensible, intelligent, wise) |
| catechized(suitable, adequate, competent, capable, fitted) |
| cautious(careful, aware, attentive, wary, conscious) |
| certified(suitable, adequate, competent, capable, fitted) |
| chary(careful, cautious, aware, attentive, wary) |
| clear-sighted(sharp, sensitive, intelligent, wise, piercing) |
| cogent(adjective, intelligent) |
| confined |
| conscientious(careful, cautious, aware, attentive, wary) |
| conusant(adjective, knowledge, experience, skill, expert) |