i Register
In some senses, senatorial is marked as US. Watch for register when choosing this word.
senatorial
UK /ˌsɛnɪˈtɔːɹiəl/ US /ˌsɛnɪˈtɔːɹiəl/
adj 3
Definitions
adj
1
Relating to a senator.
2
Relating to a senate.
The senatorial investigation involved subpoenas and testimony before Congress and, of course, went nowhere.
3
Entitled to elect a senator, or by senators.
the senatorial districts of a State
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