Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

appendage, appurtenance. coexistence, concomitance, company, association, companionship; partnership, copartnership; coefficiency†. concomitant, accessory, coefficient; companion, buddy, attendant, fellow, associate, friend, colleague; consort, spouse, mate; partner, co-partner; satellite, hanger on, fellow-traveller, shadow; escort, cortege; attribute. V. accompany, coexist, attend; hang on, wait on; go hand in hand with; synchronize &c 120; bear company, keep company; row in the same boat; bring in its train; associate with, couple with. Adj. accompanying &c v.; concomitant, fellow, twin, joint; associated with, coupled with; accessory, attendant, obbligato. Adv. with, withal; together with, along with, in company with; hand in hand, side by side; cheek by jowl, cheek by jole†; arm in arm; therewith, herewith; and &c (addition) 37. together, in a body, collectively. Phr. noscitur a sociis [Lat.]; virtutis fortuna comes [Lat.].