Main entry: attentiveness, regard, paying attention, heed
Definition: paying particular notice (as to children or helpless people)
Usage: his attentiveness to her wishes; he spends without heed to the consequences
Main entry: heedful, attentive, paying attention, thoughtful
Definition: taking heed; giving close and thoughtful attention
Usage: heedful of the warnings; so heedful a writer; heedful of what they were doing