συνωμοσία G4945
synōmosía · soon-o-mos-ee'-ah · Noun Feminine
from a compound of σύν and ὀμνύω; a swearing together, i.e. (by implication) a plot:--comspiracy.
1 Occurrence in the King James Bible
Acts 23:13And they were more than forty which had made this conspiracy.