| abreast(adjective, familiar, knowledgeable, aware, informed) |
| aesthetic(adjective, understanding, keen, sensible, certain) |
| alive(adjective, alert, familiar, wise, knowledgeable) |
| alive to(expression, adjective, understanding, keen, sensible) |
| apperceptive(adjective, understanding, keen, sensible, certain) |
| appraised(verb, adjective, alert, familiar, wise) |
| appreciated |
| apprehensive(adjective, alert, familiar, wise, knowledgeable) |
| assured(adjective, understanding, keen, sensible, certain) |
| at home with(expression, adjective, idiom, familiar, knowledgeable) |
| certain(adjective, understanding, keen, sensible, alert) |
| communicated |
| conversant(adjective, understanding, keen, sensible, certain) |
| cool(adjective, alert, familiar, wise, knowledgeable) |
| counseled |
| discerning(adjective, understanding, keen, sensible, certain) |
| erudite(adjective, familiar, informed, learned, educated) |
| estimated |
| feeling(adjective, aware) |
| felt(adjective, understanding, keen, sensible, certain) |