Reverential (adjective)

1. Showing or expressing reverence or respect.
2. Having or showing deep respect or admiration.

Origin:

From the word reverence, meaning "a feeling of profound respect and admiration for someone or something".

Examples:

1. The soldier had a reverential attitude towards the flag.
2. The audience had a reverential silence during the performance.
3. The reverential tone of the speech was well received.
4. The reverential awe in the child's eyes was heartwarming.
5. The reverential manner in which the artifacts were handled was impressive.