| open-eyed(adjective, alert) |
| perceptive(sharp, bright, lively, active, careful) |
| psyched up(expression, sharp, bright, lively, active) |
| quick(sharp, bright, lively, active, alert) |
| ready(sharp, bright, lively, active, alert) |
| sharp(bright, lively, alert, aware, attentive) |
| spirited(sharp, bright, lively, active, alert) |
| switched on(expression, sharp, bright, lively, active) |
| vigilant(sharp, bright, lively, active, alert) |
| wary(sharp, bright, lively, alert, careful) |
| watchful(sharp, bright, lively, alert, aware) |
| wide-awake(sharp, bright, lively, alert, careful) |
| wired(sharp, bright, lively, active, alert) |
| wise(sharp, bright, lively, active, alert) |
| with it(expression, sharp, bright, lively, active) |
| aegis(charge, care, protection) |
| apprehensive(alert, aware, clued-in) |
| assurance(charge, care, protection) |
| awake(alert, aware, clued-in) |
| aware(alert, clued-in) |