Use 'worshipful' to emphasize deep respect, almost to the point of idolization. Her fans have a worshipful dedication to her music.
Pro Tip 2/3
Non-literal Worship
'Worshipful' doesn't always mean religious worship; it's also for great admiration in a non-religious context. The documentary portrayed him with a worshipful awe for nature.
Pro Tip 3/3
Not Always Positive
The word can imply an excessive or naive level of admiration, which might not always be positive. The intern's worshipful imitation of the boss annoyed everyone.