List of useful synonyms and useful related words.
advantageous, advisable, agential, agentival, agentive, aidful, appropriate, assisting, auspicious, banausic, becoming, befitting, beneficial, benevolent, bon, bonny, brave, braw, bueno, capital, cogent, commendable, commodious, conducive, congruous, constructive, contributory, convenient, decent, desirable, effective, elegant, employable, estimable, excellent, expedient, facilitating, fair, famous, favorable, favoring, feasible, felicitous, fine, fit, fitten, fitting, forwarding, fructuous, fruitful, functional, furthersome, gainful, good, good for, goodly, grand, handy, happy, healthy, helpful, instrumental, intermediary, kind, laudable, likely, mediating, mediatorial, meet, ministerial, ministering, nice, noble, of general utility, of help, of service, of use, opportune, pleasant, politic, positive, practicable, practical, pragmatical, productive, profitable, promoting, proper, propitious, recommendable, regal, remedial, right, royal, salutary, seasonable, seemly, serviceable, skillful, sortable, sound, splendid, subservient, suitable, therapeutic, timely, to be desired, toward, usable, utilitarian, valid, valuable, very good, virtuous, well-timed, wise, worthwhile