Synonyms for Convenient (same or very similar meaning)
WordNet sense 1 (occurring at a convenient or suitable time):
favorableWordNet sense 2 (easy to use):
handyWordNet sense 3 (large and roomy (`convenient' is archaic in this sense)):
commodiousWordNet sense 4 (capable of being reached):
accessibleFrom the ODE community, based on WordNetadd/edit