Adverb

(formal) By it, by that.

* 1729 , :

Thirdly'', Whereas the Maintainance of an hundred thousand Children, from two Years old, and upwards, cannot be computed at less than Ten Shillings a piece ''per Annum'', the Nation's Stock will be thereby encreased fifty thousand pounds ''per Annum'', besides the profit of a new Dish, introduced to the Tables of all ''Gentlemen of Fortune in the Kingdom, who have any refinement in Taste, and the Money will circulate among our selves, the Goods being entirely of our own Growth and Manufacture.

* 1787 , :

This Constitution, and the Laws of the United States which shall be made in Pursuance thereof; and all Treaties made, or which shall be made, under the Authority of the United States, shall be the supreme Law of the Land; and the Judges in every State shall be bound thereby , any Thing in the Constitution or Laws of any State to the Contrary notwithstanding.

Adverb

(-)

(conjunctive) For that or this purpose, referring to something previously stated.

*

I have married a wife, and therefore I can not come.

*

Behold, we have forsaken all, and followed thee; what shall we have therefore ?

(conjunctive) Consequently, by or in consequence of that or this cause; referring to something previously stated.

* , title=(Discourse on the Method)

, passage=Je pense, donc je suis (I think, therefore I am)}}

*

, title=(The Celebrity), chapter=1 , passage=In the old days, to my commonplace and unobserving mind, he gave no evidences of genius whatsoever. He never read me any of his manuscripts, 

* {{quote-magazine, year=2012, month=March-April, author=

, volume=100, issue=2, page=171, magazine=(American Scientist) , title= Well-connected Brains , passage=Creating a complete map of the human connectome would therefore be a monumental milestone but not the end of the journey to understanding how our brains work.}}

* (rfdate), Spectator

He blushes; therefore he is guilty.