The adjective reverent means someone that shows great respect for a person or thing.
Synonyms are appreciative, deferential, gracious, or polite.
The word origins from Old French reverent and directly from Latin reverentem, present participle of revereri meaning “to fear”. The sense of “reverend” was common from the 14th century through the 17th century.
He is proud that he is reverent in religion.
She walked straight to the aisle, pausing a reverent moment at the altar.
We must stay reverent while touring the ancient temple.