paying attention

nouns

paying particular notice (as to children or helpless people)
"his attentiveness to her wishes"; "he spends without heed to the consequences"
attentiveness, heed, paying attention, regard

adjectives

taking heed; giving close and thoughtful attention
"heedful of the warnings"; "so heedful a writer"; "heedful of what they were doing"
attentive, heedful, paying attention, thoughtful