| grounded(adjective, sensible, alert, familiar, knowledgeable) |
| hep to(expression, adjective, understanding, cool, keen) |
| hooked(adjective, enthusiastic, considerate, responsive, helpful) |
| impressible(adjective, responsive, perceptive, susceptible, receptive) |
| impressionable(adjective, open, sensible, sympathetic, active) |
| in on(expression, adjective, understanding, cool, keen) |
| in the secret(expression, idiom, knowledge) |
| informed of(verb, phrasal verb, knowledge) |
| intentional(adjective, cool, significant, intelligent, brilliant) |
| intentive(attentive, observant) |
| into(adjective, informal, alert, familiar, knowledgeable) |
| let into(verb, phrasal verb, knowledge) |
| literate(adjective, reasonable, rational, tolerant, educated) |
| logical(adjective, reasonable, sensible, alert, rational) |
| mindful of |
| on guard(expression, adjective, keen, alert, careful) |
| on the job(expression, idiom, keen, careful, attentive) |
| plugged in(expression, adjective, cool, sensible, alert) |
| privy to(verb, phrasal verb, knowledge) |
| qualified(adjective, cool, significant, intelligent, brilliant) |