constitutional
noun
a regular walk taken as a form of exercise
adjective
of benefit to or intended to benefit your physical makeup
“constitutional walk”
sanctioned by or consistent with or operating under the law determining the fundamental political principles of a government
“the constitutional right of free speech”
“constitutional government”
Oppositesunconstitutionalexisting as an essential constituent or characteristic
“the Ptolemaic system with its built-in concept of periodicity”
“a constitutional inability to tell the truth”
constitutional in the structure of something (especially your physical makeup)
Source: WordNet 3.1, Princeton University
