noun

1. the act of setting up or making up; establishment, appointment, or formation
2. the way in which a thing is made up; structure; organization; makeup
3. the physical, or rarely mental, makeup of a person a man of strong constitution
4. the way in which a government, state, society, etc. is organized
5. a decree, regulation, or custom
6. 1. the system of fundamental laws and principles of a government, state, society, corporation, etc., written or unwritten
   2. a document or set of documents in which these laws and principles are written down

Etymology: ME constitucioun < OFr constitution < L constitutio: see constitute