devotion
US /dɪˈvoʊ.ʃən/
UK /dɪˈvoʊ.ʃən/

1.
love, loyalty, or enthusiasm for a person, activity, or cause
:
•
Her devotion to her children was evident in every sacrifice she made.
•
He showed great devotion to his work.
2.
religious worship or observance
:
•
The monk spent his life in prayer and devotion.
•
Daily devotions are an important part of their spiritual practice.