He 'respectfully' removed his hat when he entered the building.
Children should be 'respectful of' their elders.
a 'respectful' manner
(..) Mrs Kalani, hadn't she mopped the stairs that day? The stairs were wet. Maybe she slipped. You jerk! You made her slip. Be respectful! I'm polite in front of your family. You'd better be polite, you shit! Don't curse. Take him outside. (..)2011 A Separation