able to pay ad valorem advantageous aidful appraised appropriate assessed banausic beneficial benign bracing commodious conducive constitutional constructive contributory employable evaluated expedient fitting functional furthersome good health-enhancing health-preserving healthful healthy helpful hygeian hygienic invigorating of general utility of help of service of use positive practical pragmatical priced prized pro rata profitable proper rated refreshing remedial salubrious salutary sanitary serviceable solid solvent sound substantial therapeutic tonic unindebted useful utilitarian valued valued at wholesome worth