senatory means senatorial. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From senator + -y.
adj
- Senatorial.“[…] than their publick good, which inclineth towards an Oligarchy, or the Government of the Richer or Nobler sort, as in Rome towards the […] Aristocracy, or Senatory state,”
noun
- The office of, or landed estate granted to, a senator, especially in France under the consulate and First French Empire.“Made a Senator, he received the senatory of Aix. Another "Jacobin," the Senator Monge, was given the senatory of Liège. Démeunier exhibited signs of independence; he was given the senatory of Toulouse.”