Constitutionality (noun)

1. The state or quality of being in accordance with a constitution.
2. The degree to which a law, policy, or decision adheres to the principles of a constitution.

Origin:

Derived from the word 'constitution' which means the set of fundamental principles or established precedents according to which a state or other organization is acknowledged to be governed.

Examples:

1. The constitutionality of the law was challenged in court.
2. The Supreme Court ruled on the constitutionality of the new immigration policy.
3. The constitutional expert argued that the proposed law was a violation of the basic principles of the constitution.
4. The defendant claimed that his rights were violated due to the unconstitutionality of the police search.
5. The constitutionality of the executive order is being questioned by the opposition.