Synonyms for Unanimous (same or very similar meaning)
WordNet sense 1 (acting together as a single undiversified whole):
solid, wholeWordNet sense 2 (not diversified):
undiversifiedWordNet sense 3 (in complete agreement):
consentaneous, consentientWordNet sense 4 (being in agreement or harmony; often followed by `with'):
accordantFrom the ODE community, based on WordNetadd/edit