| wise to(expression, adjective, understanding, keen, sensible) |
| with it(expression, adjective, understanding, keen, sensible) |
| acquainted with |
| announced |
| awake(adjective, understanding, keen, sensible, certain) |
| privy(adjective, familiar, wise, aware, informed) |
| able to recognize(expression, adjective, idiom, understanding, keen) |
| acquaintance |
| advertised |
| aesthetic(adjective, understanding, keen, sensible, certain) |
| alive to(verb, expression, adjective, phrasal verb, understanding) |
| apperceptive(adjective, understanding, keen, sensible, certain) |
| appraised(adjective, alert, familiar, wise, knowledgeable) |
| appreciative(adjective, alert, familiar, wise, knowledgeable) |
| artful(adjective, knowledge, experience, skill, expert) |
| assured(adjective, understanding, keen, sensible, certain) |
| at home with(expression, adjective, idiom, familiar, knowledgeable) |
| be acquainted with(verb, phrasal verb, friendship) |
| be introduced to(verb, phrasal verb, friendship) |
| capable(adjective, knowledge, experience, skill, expert) |