Precedency
Part of speech: noun
Definition: The characteristic of establishing or serving as a precedent.
Priority
Part of speech: noun
Definition: An item's relative importance.A goal of a person or an organisation.A superior claim to use by virtue of being validly published at an earlier date.
Part of speech: adjective
Definition: Prior or antecedent in time, or preceding something else; as, priority application.Having precedence; of superior rank.
Example sentence: We can't blame children for occupying themselves with Facebook rather than playing in the mud. Our society doesn't put a priority on connecting with nature. In fact, too often we tell them it's dirty and dangerous.