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Related to defeasibly: defeasibility


Capable of being annulled or invalidated: a defeasible claim to an estate.

de·fea′si·bil′i·ty n.


1. (Law) law (of an estate or interest in land) capable of being defeated or rendered void
2. (Philosophy) philosophy (of a judgment, opinion, etc) having a presupposition in its favour but open to revision if countervailing evidence becomes known. Compare incorrigible3
deˈfeasibleness, deˌfeasiˈbility n


(dɪˈfi zə bəl)

capable of being annulled or terminated.
[1580–90; < Anglo-French]
de•fea′si•ble•ness, de•fea`si•bil′i•ty, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.defeasible - capable of being annulled or voided or terminated; "a claim to an estate may be defeasible so long as the claimant is under 21 and unmarried"
indefeasible - not liable to being annulled or voided or undone; "an indefeasible right to freedom"; "an indefeasible claim to the title"
References in periodicals archive ?
When we hear someone speak intelligently, we think she is intelligent--at least defeasibly, until more acts give us more evidence one way or the other.
He argues that Hume takes the belief in perfect causal regularity to be defeasibly justifying.
5) apparently endorses a version of this view, holding that moral judgments are defeasibly motivational.
Second, there is a compelling argument--at least limiting the anarchist view--that if a state satisfies a set of necessary and sufficient conditions as an acceptable liberal democracy, then to disregard laws of the state is at least defeasibly wrongful simply because they are laws of the state.
This provides the solution to the first task: "the dominant trend in human rights practice is to take the fact that a right is a human right as a defeasibly sufficient ground for taking action against the violator in the international arena".
Let us compare the analysis given here to the standard account of but, as, for example, in Winter and Rimon (1994): in the standard account, it is assumed that a sentence "P but Q" is licensed if there is a proposition R, such that P defeasibly implies not-R and Q implies R, cf.
The predicate assume(P,L) defeasibly holds whenever we can assume that a point P gets a label L.
Appearances, we might put it, have a default evidential valence of being trustworthy; put in another way, they are defeasibly trustworthy.
Application programs using this system can infer a conclusion defeasibly from a conjunction of supporting facts, along with an appropriate general rule.