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therefore
5 dictionary results for: therefore
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
there·fore       [thair-fawr, -fohr] Pronunciation Key
–adverb
in consequence of that; as a result; consequently: I think; therefore I am.

[Origin: 1125–75; ME ther(e)fore, var. of therfor therefor]

hence, whence. Therefore, wherefore, accordingly, consequently, so, then all introduce a statement resulting from, or caused by, what immediately precedes. Therefore (for this or that reason) and wherefore (for which reason) imply exactness of reasoning; they are esp. used in logic, law, mathematics, etc., and in a formal style of speaking or writing. Accordingly (in conformity with the preceding) and consequently (as a result, or sequence, or effect of the preceding), although also somewhat formal, occur mainly in less technical contexts. So (because the preceding is true or this being the case) and then (since the preceding is true) are informal or conversational in tone.
American Heritage Dictionary - Cite This Source - Share This
there·fore       (thâr'fôr', -fōr')  Pronunciation Key 
adv.   For that reason or cause; consequently or hence.


[Middle English : there, there; see there + for, fore, fore; see for.]

Online Etymology Dictionary - Cite This Source - Share This
therefore 
O.E. þærfore; from there + fore, O.E. and M.E. collateral form of for. Since c.1800, therefor has been used in sense of "for that, by reason of that;" and therefore in sense of "in consequence of that."

WordNet - Cite This Source - Share This
therefore

adverb
1. (used to introduce a logical conclusion) from that fact or reason or as a result; "therefore X must be true"; "the eggs were fresh and hence satisfactory"; "we were young and thence optimistic"; "it is late and thus we must go"; "the witness is biased and so cannot be trusted" 
2. as a consequence; "he had good reason to be grateful for the opportunities which they had made available to him and which consequently led to the good position he now held" [syn: consequently

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Therefore

There"fore\, conj. & adv. [OE. therfore. See There, and Fore, adv., For, and cf. Therefor.]

1. For that or this reason, referring to something previously stated; for that.

I have married a wife, and therefore I can not come. --Luke xiv. 20.

Behold, we have forsaken all, and followed thee; what shall we have therefore? --Matt. xix. 27.

2. Consequently; by consequence.

He blushes; therefore he is guilty. --Spectator.

Syn: See Then.

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