Adverb

(en adverb)

In addition; besides; what's more; used to denote additional information.

* {{quote-magazine, year=2013, month=July-August, author= Philip J. Bushnell

, magazine=(American Scientist), title= Solvents, Ethanol, Car Crashes & Tolerance , passage=Surprisingly, this analysis revealed that acute exposure to solvent vapors at concentrations below those associated with long-term effects appears to increase the risk of a fatal automobile accident. Furthermore , this increase in risk is comparable to the risk of death from leukemia after long-term exposure to benzene, another solvent, which has the well-known property of causing this type of cancer.}}

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.