Origin: Latin suffix -tion
Paying attention has 3 different meanings across 2 categories:
paying particular notice (as to children or helpless people)
"his attentiveness to her wishes"
"he spends without heed to the consequences"
present participle of pay attention
taking heed; giving close and thoughtful attention
"heedful of the warnings"
"so heedful a writer"
"heedful of what they were doing"