Necessary
Necessary adjective - Forcing one's compliance or participation by or as if by law.
Reasonable and necessary are semantically related. In some cases you can use "Reasonable" instead an adjective "Necessary".
Nearby Words: necessity, necessarily
Reasonable
Reasonable adjective - According to the rules of logic.
Necessary and reasonable are semantically related. Sometimes you can use "Necessary" instead an adjective "Reasonable".
Both words in one sentence
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In the Mobile Infantry, any and all corporal punishment — from a Dope Slap to a summary execution is legal... as long as the punisher can demonstrate that it was necessary and reasonable.
Source: Literature / Starship Troopers -
Somewhat common in coin-operated video game machines, as the designers had reasonable expectations that most players would not have the time, patience, or quarters necessary to play the game for so long.
Source: Kill Screen -
Felix, an otherwise very reasonable person, explains it to her saying that as a woman, she won't be able to have the necessary respect from the club and team.
Source: Series / Club De Cuervos
Cite this Source
Reasonable and Necessary. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/necessary/reasonable
Necessary & Reasonable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/necessary/reasonable>.
Reasonable or Necessary. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/necessary/reasonable.
Google Ngram Viewer shows how "necessary" and "reasonable" have occurred on timeline