| solid(cautious, wary, intelligence wisdom) |
| thorough(adjective, cautious, wary, vigilant) |
| wise(adjective, understanding, cool, reasonable, sharp) |
| advertent(alert, intelligent, attentive, observant, sharp-eyed) |
| agog(keen, alert, careful, attentive) |
| alive to(verb, expression, adjective, phrasal verb, understanding) |
| attention |
| breathless |
| bright(adjective, cool, sharp, lively, alert) |
| brisk |
| caring(considerate, responsive, helpful, defensive, shielding) |
| cognizant(adjective, understanding, cool, keen, sensible) |
| concentrated(adjective, set, determined, deep, fixed) |
| considering(adjective, alert, intelligent, attentive, sharp-eyed) |
| conversant(adjective, understanding, cool, keen, sensible) |
| cool(adjective, alert, significant, intelligent, brilliant) |
| deliberate(adjective, cool, alert, significant, careful) |
| eager(adjective, set, excited, ready, determined) |
| earnest(adjective, set, determined, deep, fixed) |
| engaged(adjective, set, deep, fixed, absorbed) |