instigator (noun) instigator: troublemaker
Sinonime: accessory, adjuvant, agreeing,
ancillary, associated with, associative,
attendant,
attending,
belonging, coefficient, coetaneous, coeval, coexistent, coincident,
coincidental,
collateral,
complementary, concordant,
concurrent, conjoined, conjoined with,
connected, contemporaneous,
contemporary,
coordinate,
corollary, coterminous, coupled with,
fellow, in tempo, in time,
incident, isochronal, isochronous,
joint, satellite, synchronal, synchronous, synergetic, synergistic
Antonime: accidental,
chance, unrelated