1. the quality of paying careful attention to something or someone
2. the quality of being considerate and caring toward others

Examples

• The teacher praised the student’s attentiveness during the lecture.
• Her attentiveness to detail made her an excellent editor.
• The nurse’s attentiveness to her patients was remarkable.
• His attentiveness while driving prevented an accident.
• The mother’s attentiveness to her child’s needs was evident.
• The dog’s attentiveness to commands impressed the trainer.
• Good customer service requires attentiveness to client concerns.