Synonyms: intentness, engrossment
Definition: the quality of being intent and concentrated
Usage: the intentness of his gaze
Similar words: assiduity, assiduousness, concentration
Definition: great and constant diligence and attention
Synonyms: engrossment, absorption, preoccupancy, preoccupation
Definition: the mental state of being preoccupied by something
Similar words: cognitive state, state of mind
Definition: the state of a person's cognitive processes
Synonyms: absorption, concentration, engrossment, immersion
Definition: complete attention; intense mental effort
Similar words: attention
Definition: the faculty or power of mental concentration
Usage: keeping track of all the details requires your complete attention