engagement
US /ɪnˈɡeɪdʒ.mənt/
UK /ɪnˈɡeɪdʒ.mənt/

1.
2.
an arrangement to meet someone or do something at a particular time
:
•
I have a prior engagement, so I can't make it.
•
He has a busy schedule with many professional engagements.
3.
the act of participating in something or being involved in an activity
:
•
Student engagement in extracurricular activities is encouraged.
•
The company seeks to increase customer engagement with its brand.