| sane(adjective, reasonable, sensible, rational, stable) |
| sentient(adjective, understanding, reasonable, keen, sensible) |
| skillful(adjective, knowledge, experience, skill, expert) |
| sober(adjective, reasonable, sensible, wise, realistic) |
| sound(adjective, reasonable, sharp, sensible, ready) |
| up to date(expression, adjective, idiom, with-it, located) |
| with it(expression, adjective, understanding, cool, keen) |
| abreast of(expression, current) |
| accomplished(adjective, knowledge, ready, familiar, competent) |
| animated |
| announced |
| appreciative(adjective, alert, familiar, wise, refined) |
| apprehensive(adjective, cool, sensible, alert, familiar) |
| apprized(adjective, knowledgeable, aware, well-informed, conversant) |
| artful(adjective, knowledge, experience, skill, expert) |
| attentive(adjective, understanding, reasonable, keen, sensible) |
| awake(adjective, understanding, cool, keen, sensible) |
| betrayed |
| canny(adjective, reasonable, rational, intelligent, sober) |
| careful(adjective, sound, reasonable, sharp, smart) |