1 the act or method of constituting; the composition (of something).
2 a the body of fundamental principles or established precedents according to which a State or other organization is acknowledged to be governed. b a (usu. written) record of this.
3 a person's physical state as regards vitality, health, strength, etc.
4 a person's mental or psychological make-up.
5 hist. a decree or ordinance.
Etymology: ME f. OF constitution or L constitutio (as constitute)
Useful english dictionary. 2012.