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.

Adverb

From that time on.

* 1774 —

...to the end, that all such foes to the rights of British-America may be publicly known, and universally contemned as the enemies of American liberty; and thenceforth we respectively will break off all dealings with him or her.

* 1851 — ch 63

Furthermore: you must know that when the second iron is thrown overboard, it thenceforth becomes a dangling, sharp-edged terror, skittishly curvetting about both boat and whale, entangling the lines, or cutting them, and making a prodigious sensation in all directions.

* 1861 — ch VI

The fear of losing Joe’s confidence, and of thenceforth sitting in the chimney corner at night staring drearily at my forever lost companion and friend, tied up my tongue.

* 1927-1929' —

I decided to act thenceforth with great caution; not to leave the house, but somehow leave Portsmouth.

* 1994 — (12 Feb)

Here his hand trembled as he set his pen to the proclamation that declared slaves thenceforth and forever free.