| cool(adjective, thoughtful, sober, cautious, prudent) |
| deft(adjective, cunning, refined, tactful, diplomatic) |
| discerning(adjective, sensible, intelligent, wise, practical) |
| distrusting(adjective, disbelieving) |
| evasive(careful, vague, ambiguous, equivocal, guarded) |
| fearful(adjective, modest, humble, hesitant, dubious) |
| fishy |
| frightened |
| funny |
| guileful(smooth, sharp, shrewd, devious, scheming) |
| helpful(adjective, kind, friendly, alert, careful) |
| knowing(smooth, careful, aware, attentive, clever) |
| learned |
| loath(adjective, modest, humble, shy, hesitant) |
| masterful(adjective, cunning) |
| on the alert(expression, adjective, idiom, alert, careful) |
| on the job(expression, adjective, idiom, keen, sharp) |
| on the qui vive(expression, adjective, idiom, keen, sharp) |
| overcautious(restrained, hesitant, reserved, cautious, suspicious) |
| questioning(skeptical, mistrustful, distrustful, unbelieving) |