Adverb

(en adverb)

In accordance with what is right or just; fairly.

* The only purpose for which power can be rightfully exercised over any member of a civilized community, against his will, is to prevent harm to others. His own good, either physical or moral, is not sufficient warrant. -- John Stuart Mill

Rightly, correctly.

* 1590 , Edmund Spenser, The Faerie Queene , II.viii:

Ne euer will it breake, ne euer bend. / Wherefore Morddure it rightfully is hight.

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.