observance

noun

• 1the practice of observing the requirements of law, morality, or ritual:strict observance of the rules the decline in religious observance
• [count noun] (usually observances) an act performed for religious or ceremonial reasons:official anniversary observances
• [count noun] a rule to be followed by a religious order:he drew up a body of monastic observances

• 2the action of watching or noticing something:the baby’s motionless observance of me

• 3 archaic respect; deference:the tramp gave them no observance