attentiveness attentiveness /əˈtɛntɪvnəs/

noun

1. The trait of being observant and paying attention  ( attentiveness )
   the trait of being observant and paying attention
   
2. The trait of being considerate and thoughtful of others  ( attentiveness )
   the trait of being considerate and thoughtful of others
   
3. Paying particular notice (as to children or helpless people)  ( attentiveness , paying attention , heed , regard )
   paying particular notice (as to children or helpless people)
    His attentiveness to her wishes
   his attentiveness to her wishes
    He spends without heed to the consequences
   he spends without heed to the consequences