from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An agreement or promise made orally or in writing not under seal; a contract.
- n. A legal action to enforce or recover damages for a breach of such an agreement.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A promise or undertaking, either express or implied, founded on a consideration.
- n. An action to recover damages for breach or nonperformance of such a promise.
from the GNU version of the Collaborative International Dictionary of English
- n. A promise or undertaking, founded on a consideration. This promise may be oral or in writing not under seal. It may be express or implied.
- n. An action to recover damages for a breach or nonperformance of a contract or promise, express or implied, oral or in writing not under seal. Common or indebitatus assumpsit is brought for the most part on an implied promise. Special assumpsit is founded on an express promise or undertaking.
from The Century Dictionary and Cyclopedia
- n. In law: An action lying for the recovery of damages sustained through the breach of a simple contract (that is, a promise not under seal), in which the plaintiff alleges that the defendant assumpsit, that is, promised or undertook, to perform the act specified. Hence— An actionable promise, express or implied by law.
New Latin assūmpsit, from third person sing. perfect tense of Latin assūmere, to undertake; see assume.(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin, he undertook, preterite of Latin assumere. See assume. (Wiktionary)