Synonyms to intransitive verb
auxiliary, abetting, accessory, accident, accidental, acolyte, addendum, addition, additional, adjunct, adjutant, adjuvant, adscititious, adventitious, agent, aid, aide, aide-de-camp, aider, aiding, alter ego, ancillary, another, appendage, appurtenance, appurtenant, ascititious, assistance, assistant, assisting, attendant, auxiliary verb, backing, best man, casual, circumstantial, coadjutant, coadjutor, coadjutress, coadjutrix, collateral, complementary, contingency, contingent, contributory, copula, defective verb, deponent verb, deputy, executive officer, extra, farther, finite verb, fortuitous, fostering, fresh, further, girl Friday, happenstance, help, helper, helpful, helping, helpmate, helpmeet, impersonal verb, incidental, inessential, infinitive, instrumental, intransitive, lieutenant, linking verb, man Friday, mere chance, ministerial, ministering, ministrant, modal auxiliary, more, neuter verb, new, nonessential, not-self, nurtural, nutricial, other, paranymph, paraprofessional, peripheral, plus, reserve, second, secondary, servant, serving, sideman, spare, subordinate, subserv