'attentiveness' definitions:

Definition of 'attentiveness'

(from WordNet)
noun
Paying particular notice (as to children or helpless people); "his attentiveness to her wishes"; "he spends without heed to the consequences" [syn: attentiveness, heed, regard, paying attention] [ant: heedlessness, inattentiveness]
noun
The trait of being considerate and thoughtful of others
noun
The trait of being observant and paying attention [ant: inattentiveness]