intentus -a -um

1. 1

   mindful, attentive (to the situation at hand)

   = intēnsus= attentus= ērēctus= cautus ↔ incautus

2. 2

   intent on (something) (having one's attention fixed on something)

   = intēnsus= contentus ↔ invītus

3. 3

   serious, earnest

   = dēsīderōsus= impiger= studiōsus= sēdulus= ācer= cupidus= aspīrāns