deferentially
adverb
UK/ˌdef.əˈren.ʃᵊl.i/
US/ˌdef.əˈren.ʃᵊl.i/
Definitions of deferentially adverb
in a manner that shows politeness and great respect
In meetings, he always listens deferentially to the opinions of his elders.
She raised her question deferentially to the teacher.
The waiter deferentially presented the menu to the customer.