Synonyms and Antonyms of basis
- the sole basis for the rumor is someone's overactive imagination
anchorage, bed, brace, bulwark, buttress, framework, infrastructure, mount, prop, shore, stay, substratum, substructure, support
assumption, justification, premise (also premiss), presumption, presupposition, rationale, supposition, theory, thesis, warrant
backbone, center, core, cornerstone, eye, focus, heart, hub, kernel, keystone, nucleus, seat