CONSTITUTIONALLY

Con′sti‐tu″tion‐al‐ly (?), adv. 1. 1. In accordance with the constitution or natural disposition of the mind or body; naturally; as, he was constitutionally timid.
The English were constitutionally humane. Hallam. 2. 2. In accordance with the constitution or fundamental law; legally; as, he was not constitutionally appointed.
Nothing would indue them to acknowledge that an assembly . . . was constitutionally a Parliament. Macaulay.