What does the word observance mean?

Usage examples for observance

  1. But it is not to be forgotten that in the present state of the world it is no less necessary to be ready to enforce their observance and fulfillment in reference to ourselves than to observe and fulfill them on our part in regard to others. – Complete State of the Union Addresses from 1790 to the Present by Various
  2. This fashion of sacrifice keep thou, thyself and thy comrades, and let thy children abide in this pure observance. – The Aeneid of Virgil by Virgil