adjective
1.
Synonyms: auxiliary , accessory, adjuvant, appurtenant, collateral, contributory, subservient, subsidiary
2.
Synonyms: concomitant , accompanying, attendant, attending, coincident, collateral, incident, satellite
ANCILLARY
Meaning of ANCILLARY in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003