Following are all the initiator like words, in the list below.
INSTIGATOR
100% like initiator
INITIATION
66.84% like initiator
INITIATIVE
66.83% like initiator
ORIGIN
66.83% like initiator
ORIGINATOR
66.83% like initiator
PIONEER
66.82% like initiator
PROPONENT
66.82% like initiator
ABETTOR
66.81% like initiator
CONSIGNOR
66.81% like initiator
INTERLOCUTOR
66.8% like initiator
MAKER
66.8% like initiator
APPLICANT
66.8% like initiator
MASTERMIND
66.8% like initiator
SPONSOR
66.8% like initiator
ADVOCATE
66.79% like initiator
DEVELOPER
66.78% like initiator
PROMOTER
66.78% like initiator
AUTHOR
66.77% like initiator
PRECURSOR
66.77% like initiator
PERSON
66.76% like initiator
CONTRACTOR
66.64% like initiator
PRIMER
66.57% like initiator
LAUNCHER
66.51% like initiator
TARGET
66.49% like initiator
DRIVING
66.48% like initiator
TRIGGER
66.46% like initiator
GENERATOR
66.35% like initiator
FACILITATOR
33.5% like initiator
CATALYST
33.5% like initiator
CATALYZER
33.5% like initiator
INSPIRER
33.5% like initiator
INTERMEDIATOR
33.5% like initiator
ESTABLISHER
33.5% like initiator
IMPLEMENTER
33.5% like initiator
PROVOKER
33.5% like initiator
MEDIATOR
33.5% like initiator
INCITER
33.5% like initiator
PROMOTOR
33.5% like initiator
IMPLEMENTOR
33.5% like initiator
ORGANIZER
33.5% like initiator
INSPIRATOR
33.5% like initiator
ORCHESTRATOR
33.5% like initiator
INSTIGATORS
33.5% like initiator
BENEFACTOR
33.5% like initiator
COORDINATOR
33.5% like initiator
ACTIVATOR
33.5% like initiator
RECONCILER
33.5% like initiator
DISSEMINATOR
33.5% like initiator
INVENTOR
33.5% like initiator
PHOTOINITIATOR
33.5% like initiator
INSTIGATION
33.5% like initiator
RECIPIENT
33.5% like initiator
SUPPORTER
33.5% like initiator
ENACTOR
33.5% like initiator
DOCUMENTOR
33.5% like initiator
COLLABORATOR
33.5% like initiator
ARBITER
33.5% like initiator
FUNDER
33.5% like initiator
ACCEPTOR
33.5% like initiator
RETALIATOR
33.5% like initiator
ENGAGER
33.5% like initiator
PARTICIPATOR
33.5% like initiator
LEADER
33.5% like initiator
INVOKER
33.5% like initiator
CREATOR
33.5% like initiator
INSTIGATING
33.5% like initiator
RESPONDER
33.5% like initiator
FORMULATOR
33.5% like initiator
PROMULGATOR
33.5% like initiator
CHAIRPERSON
33.5% like initiator
COCATALYST
33.5% like initiator
ANSWERER
33.5% like initiator
PERPETUATOR
33.5% like initiator
INFLUENCER
33.5% like initiator
ACCOMPLISHER
33.5% like initiator
INTERMEDIARY
33.5% like initiator
REINITIATES
33.5% like initiator
ORGANISER
33.5% like initiator
DONATOR
33.5% like initiator
IDEOLOGIST
33.5% like initiator
CONVENER
33.5% like initiator
INNOVATOR
33.5% like initiator
INTERACTOR
33.5% like initiator
SYNERGIST
33.5% like initiator
RELATER
33.5% like initiator
CONCEIVER
33.5% like initiator
ACCEPTER
33.5% like initiator
SYSTEMATIZER
33.5% like initiator
ENABLER
33.5% like initiator
PERPETRATOR
33.5% like initiator
CATALYSER
33.5% like initiator
PARTICIPANT
33.5% like initiator
CROSSLINKER
33.5% like initiator
CONTRIBUTOR
33.5% like initiator
EXECUTER
33.5% like initiator
MANIFESTATION
33.5% like initiator
HOST
33.5% like initiator
SIGNER
33.5% like initiator
SUSTAINER
33.5% like initiator
ACTIVATES
33.5% like initiator