Adverb
In a reverential manner.
Source: Webster's dictionaryhe gazed reverently at the handiwork Source: Internet
It was holiday time and lines of people, including many children, shuffled reverentially through a Santa’s grotto of war and conquest where messages about their nation’s “great mission” were dispensed. Source: Internet
Less reverentially, the visit gave rise to ribald jokes on a British TV show last night about the nature of the two men's "special relationship". Source: Internet