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 (ĕn-tāl′, ĭn-)
tr.v. en·tailed, en·tail·ing, en·tails
1. To have, impose, or require as a necessary accompaniment or consequence: The investment entailed a high risk. The proposition X is a rose entails the proposition X is a flower because all roses are flowers.
2. To limit the inheritance of (property) to a specified succession of heirs.
3. To bestow or impose on a person or a specified succession of heirs.
a. The act of entailing, especially property.
b. The state of being entailed.
2. An entailed estate.
3. A predetermined order of succession, as to an estate or to an office.
4. Something transmitted as if by unalterable inheritance.

[Middle English entaillen, to limit inheritance to specific heirs : en-, intensive pref.; see en-1 + taille, tail; see tail2.]

en·tail′ment n.


1. (Logic) the act of entailing or the condition of being entailed
2. (Philosophy) philosophy logic
a. a relationship between propositions such that one must be true if the others are
b. a proposition whose truth depends on such a relationship. Usual symbol: See fish-hook2


1. the process of limiting an inheritance to a specific sequence of heirs, usually applied to large estates.
2. the estate entailed.
See also: Property and Ownership
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.entailment - something that is inferred (deduced or entailed or implied); "his resignation had political implications"
illation, inference - the reasoning involved in drawing a conclusion or making a logical judgment on the basis of circumstantial evidence and prior conclusions rather than on the basis of direct observation
References in periodicals archive ?
Mutual entailment (ME) refers to the feature of relational framing by which a unidirectional relation from Stimulus A to Stimulus B in a specific context entails a second unidirectional relation from Stimulus B to Stimulus A.
The "Each Element" Instruction as an Entailment Check
It's the logical entailment of seeking a region without weapons of mass destruction.
One major philosophical problem concerns the entailment from conceivability to so-called absolute possibility in thought experiments of theoretical philosophy: how does conceiving a scenario give evidence of its possibility LoC will address such issues via the techniques of non-classical logics with non-normal worlds semantics.
The counter-argument this attracts is that Islamic doctrine is outdated, and that compromises its "perfect" entailment, and ipso facto destroys this putative analytical statement's truth value.
The basic idea is that, whereas (8b) is not a conceptual or semantic entailment of (8), (8a) is.
Entailment rules state which implicit information can be inferred from explicit information.
Mutual entailment involves the bidirectionality of stimulus relations: if A is related to stimulus B, then B is related to A in a particular way.
We think this conclusion reopens a few issues about the semantics and the pragmatics of cleft sentences, in particular one, namely: how much of "exhaustiveness" should be codified as a "conventional feature" of cleft sentences (as an entailment, or as a presupposition, or, yet, as a generalized implicature, for example), and how much should be derived by contextual calculation?
From entailment and number we get mathematics, first number, then simple addition and subtraction in counting, then 0, then negative numbers, then the real line, then irrational numbers, then algebra with equations and variables, X = Y squared, then analytic geometry, then differential and integral calculus, then topology then.
An entailment of this position is that EE research has the opportunity and responsibility of exploring the relationship of teachers' theories and practices and the professional contexts within which these are intelligible.
3) In addition to synonymy, antonym, hypernym, hyponym, meronym, holonym of nouns, and synonymy, antonym, hypernym, troponym, entailment of verbs, correlation between words is a useful reference in query expansion.