observance

IPA: ʌbzˈɝvʌns

The practice of complying with a law, custom, command or rule.
The custom of celebrating a holiday or similar occasion.
Observation or the act of watching.
(religion) A rule governing a religious order, especially in the Roman Catholic church.
That which is to be observed.
Reverence; homage.

Examples of "observance" in Sentences

And in observance I'm bringing back Oz and Ends's PUNCTUATION WEEK, at least for a few days.
We have an opportunity to reveal to Bill Maher that one's religious observance is not a hindrance to patriotism.
According to the article, Rowling declined due to scheduling conflicts and Meyer does not work on Sundays, in observance of the Sabbath.
Targeting civilians IS a war crime – if you want to try them – military commissions with rules set by Congress, not the Supremes or in observance of the Constitution.
This year's observance is themed "think for yourself and let others do the same" and commemorates the most basic freedom in a democratic society -- the freedom to read -- and encourages us to respect others 'freedom to choose.