Constitutional
Part of speech: noun
Definition: A walk that is taken regularly for good health and wellbeing.
Part of speech: adjective
Definition: Relating to the constitution Conforming to the constitution.
Example sentence: Yes, we do defend our office as we do defend our homes. This is a constitutional right everybody has, and nothing's funny about that. The only reason they get mad at the Black Panther Party when you do it is for the simple reason that we're political.
Essential
Part of speech: adjective
Definition: Necessary.Very important; of high importance.Being in the basic form; showing its essence.Such that each complementary region is irreducible, the boundary of each complementary region is incompressible by disks and monogons in the complementary region, and no leaf is a sphere or a torus bounding a solid torus in the manifold.
Part of speech: noun
Definition: A necessary ingredient.A fundamental ingredient.
Example sentence: Love is that condition in which the happiness of another person is essential to your own... Jealousy is a disease, love is a healthy condition. The immature mind often mistakes one for the other, or assumes that the greater the love, the greater the jealousy.