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sourcenoun ancestry, authority, basis, beginning, caput, cause, cradle, derivation, fons, font, foundation, fount, fountain, fountainhead, generator, genesis, germ, headspring, incunabula, informant, inspiration, lineage, motive, origin, original, origination, origo, parent, place, provenance, provenience, root, spring, stem, well, wellhead, wellspring
Associated concepts: source of income, source of information
See also: attribution, authority, basis, cause, citation, connotation, derivation, determinant, documentation, embryo, genesis, inception, informant, informer, onset, origination, parentage, power, progenitor, prototype, reason, reference, resource, spy, start