IPA: /əˈtɛntɪvli/
KK: /əˈtɛntɪvli/
In a way that shows you are paying close attention to something or someone.
She listened attentively to the teacher's instructions.
Attentively → It is formed from "attentive" (from Latin "attentivus", meaning to pay attention) and the suffix "-ly" (meaning in a manner of). The word "attentively" means in a manner that shows attention or focus.
Think of being 'focused' ('attentive') and doing something 'in that manner' ('-ly'). This helps you remember that attentively means doing something with full attention.