ASSU'ME, verb transitive [Latin assumo, of ad and sumo, to take.] 1. To take or take upon one. If differs from receive, in not implying an offer to give. The God assumed his native form again. 2. To take what is not just; to take with arrogant claims; to arrogate; to seize unjustly; as, to assume haughty airs; to assume unwarrantable powers. 3. To take for granted, or without proof; to suppose as a fact; as, to assume a principle in reasoning. 4. To appropriate, or take to one's self; as, to assume the debts of another. 5. To take what is fictitious; to pretend to possess; to take in appearance; as, to assume the garb of humility. ASSUME, verb intransitive 1. To be arrogant; to claim more than is due. 2. In law, to take upon one's self an obligation; to undertake or promise; as, A assumed upon himself, and promised to pay.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI