He 'respectfully' removed his hat when he entered the building.
Children should be 'respectful of' their elders.
a 'respectful' manner
(..) sexual relations with anyone other than the dominant. The submissive will eat regularly, to maintain her health and well-being The submissive will conduct herself in a respectful manner. To the dominant, and so only address him as Sir, Mr Grey. Or such other title, the dominant may direct. (..)2015 Fifty Shades of Grey