advancing, advantage, advisable, applicability, applicable, applied, appropriate, attentive, avail, availability, available, beneficial, benefit, cooperative, deliberate, employable, expedient, fitness, handy, helped, helpful, helpfulness, intentional, pertinent, purposeful, purposive, salutary, serviceable,
special, subservience, subservient, suitability, usable, useful, usefulness, utilitarian, utility, viewable, wilful