| thoughtful(adjective, kind, reasonable, sensible, deliberate) |
| on guard(expression, adjective, idiom, adverb, keen) |
| gingerly(adjective, reasonable, sensible, delicate, restrained) |
| cagey(adjective, sharp, smart, bright, sensible) |
| calculating(adjective, reasonable, sensible, delicate, restrained) |
| frugal(adjective, characteristic, quality, careful, cautious) |
| considerate(adjective, kind, reasonable, sensible, delicate) |
| on the lookout(expression, adjective, idiom, sharp, lively) |
| safe(adjective, reasonable, sensible, delicate, restrained) |
| apprehensive(adjective, deliberate, alert, modest, humble) |
| cunning(adjective, reasonable, smart, sensible, cunning) |
| doubting(adjective, careful, cautious, suspicious, watchful) |
| judicious(adjective, sensible, careful, thoughtful, wise) |
| mindful(adjective, adverb, kind, friendly, deliberate) |
| reluctant(adjective, delicate, modest, humble, careful) |
| scrupulous(adjective, deliberate, alert, careful, shy) |
| sharp(adjective, smooth, keen, lively, careful) |
| shrewd(adjective, careful, cunning, wise, prudent) |
| sly(adjective, smooth, sharp, careful, cunning) |
| uncertain(adjective, unenthusiastic, unwilling, disinclined, skeptical) |