priority
pri-or-i-ty
noun
The state or right of being more important or coming before others.
"Safety takes priority over speed."
noun
A thing considered more important than others and needing attention first.
"Finishing the report is our top priority."
Thesaurus
Synonyms: precedency, precedence, antecedence, anteriority, antecedency
Antonyms: posteriority, subsequence, subsequentness