Synonyms and related words :
a propos, ad rem, admissible, affinitive, appertaining, applicable, applying, apposite, appropriate, apropos, associative, belonging, comparable, comparative, congenial, connective, correlative, en rapport, germane, in point, involving, linking, material, pertinent, proportionable, proportional, proportionate, referable, referring, relating, relational, relative, relevant, sympathetic, to the point, to the purpose