Found 3 Strong's definitions.

1. 1

   G1087: γερουσία (gerousía)

   from γέρων; the eldership, i.e. (collectively) the Jewish Sanhedrin:--senate.

   100%
2. 2

   G4892: συνέδριον (synédrion)

   neuter of a presumed derivative of a compound of σύν and the base of ἑδραῖος; a joint session, i.e. (specially), the Jewish Sanhedrin; by analogy, a subordinate tribunal:--council.

   2%
3. 3

   G749: ἀρχιερεύς (archiereús)

   from ἀρχή and ἱερεύς; the high-priest (literally, of the Jews, typically, Christ); by extension a chief priest:--chief (high) priest, chief of the priests.

   2%