"attentiveness" in the noun sense
1. attentiveness, heed, regard, paying attention
paying particular notice (as to children or helpless people
"his attentiveness to her wishes"
"he spends without heed to the consequences"
2. attentiveness
the trait of being considerate and thoughtful of others
3. attentiveness
the trait of being observant and paying attention
Source: WordNet® (An amazing lexical database of English)
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