Synonyms to going between

agency, action, activity, agent, agentship, antecedent, assignment, atelier, authority, authorization, barbershop, barter, bartering, beauty parlor, beauty shop, bench, brevet, brokerage, butcher shop, buying and selling, care, cause, change, channel, charge, commission, commissioning, commitment, commutation, company, concern, conduct, consignment, corporation, cure, dealing, delegated authority, delegation, deputation, deputyship, desk, determinant, device, devolution, devolvement, direction, displacement, doing business, driving, embassy, empowerment, energy, entrusting, entrustment, errand, establishment, exchange, execution, executorship, exequatur, exercise, expedient, facility, factorship, firm, force, full power, functioning, gear, give-and-take, handling, horse trading, house, installation, institution, instrumentality, instrumentation, intercession, interchange, intermediation, intervention, jobbing, jurisdiction, legation, license, lieutenancy, loft, machinery, management, mandate, manipulation, means, mechanism, mediation, medium, merchandising, ministry, mission, occupation, offi