1. The trait of being observant and paying attention
   "The detective's attentiveness to small details cracked the case"
    
2. The trait of being considerate and thoughtful of others
   "His attentiveness to his elderly neighbour's needs was admirable"
    
3. Paying particular notice (as to children or helpless people)
   "his attentiveness to her wishes";
   - heed, regard, paying attention

See also: attentive, heedful, heedless, paying attention, thoughtful, unheeding

Type of: attending, attention, considerateness, consideration, thoughtfulness, trait

Antonym: heedlessness, inattentiveness

Encyclopedia: Attentiveness