constitutional

Belonging to, or inherent in, the constitution or structure of one's body or mind.

For the benefit of one's constitution or health.

Relating to the constitution or composition of something; essential, fundamental.

Relating to a legal or political constitution (“the basic law of a nation or institution; the formal or informal system of primary principles and laws that regulates a government or other institution”).

In compliance with or valid under a legal or political constitution.

(also politics) Of a monarch: having a purely ceremonial role, or possessing powers limited by a constitution rather than plenary or unlimited powers.