premise
noun
• a previous statement or proposition from which another is inferred or follows as a conclusion.
• "if the premise is true, then the conclusion must be true"
premise
verb
• base an argument, theory, or undertaking on.
• "the reforms were premised on our findings"
Origin:
late Middle English: from Old French premisse, from medieval Latin praemissa (propositio) ‘(proposition) set in front’, from Latin praemittere, from prae ‘before’ + mittere ‘send’.