| versant(adjective, familiar, knowledgeable, witting, aware) |
| versed(adjective, familiar, informed, savvy, learned) |
| versed in(expression, adjective, familiar, knowledgeable, witting) |
| vigilant(adjective, understanding, keen, sensible, certain) |
| warned |
| watchful(adjective, understanding, keen, sensible, certain) |
| well-rounded(adjective, familiar, informed, learned, educated) |
| well up in(expression, adjective, idiom, familiar, knowledgeable) |
| wise(adjective, understanding, alert, familiar, knowledgeable) |
| wised up(expression, adjective, alert, familiar, wise) |
| witting(adjective, understanding, keen, sensible, certain) |
| acute(perceptive, observant, insightful) |
| ascertained |
| assessed |
| at ease with(expression, adjective, idiom, knowledgeable, savvy) |
| awakened |
| aware of(expression, wise, private) |
| brainy(familiar, perceptive, informed, observant, insightful) |
| briefed |
| bright(familiar, informed, well-informed) |