|senə|tōrēəl, -tȯr- adjective
Etymology: Latin senatori us of a senator (from senator + -ius -y) + English -al
1.
a. : of, relating to, or befitting a senator or a senate
senatorial office
senatorial voice
senatorial dignity
senatorial rank
b. : composed of senators
the Roman senatorial order
2. : administered by the Roman senate rather than by the emperor
a senatorial province