rightfully — English Dictionary

Adverb

1. In accordance with what is right or just.

   Synonyms

   justlyfairly

   Antonyms

   unrightfullywrongfullywrongly

   Examples

   Near-synonym: fairly

   More examples (1)

   [T]he 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 a sufficient warrant.

2. Rightly, correctly.

   Synonyms

   accuratelytruly

   Antonyms

   inaccuratelyincorrectlyfalselywrongly

   Examples

   Ne euer will it [King Arthur's sword] breake, ne euer bend. / Wherefore Morddure it rightfully is hight.

Adverb

1. by right

   Synonyms

   truly

   Examples

   baseball rightfully is the nation's pastime