Synonyms and related words :
accessory, additional, adjuvant, aidful, ancillary, another, appurtenant, auxiliary, beneficial, collateral, concessive, conducive, constructive, donative, extra, farther, fresh, further, furthersome, good for, helpful, intestate, more, new, other, plus, positive, profitable, remedial, salutary, serviceable, spare, subservient, subsidiary, supernumerary, supplemental, supplementary, surplus, testamentary, testate, therapeutic, ulterior, useful