Reason and Source

Reason

Reason noun - Someone or something responsible for a result.

Usage example: what's the meteorological reason for tornadoes?

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Source and reason are semantically related. In some cases you can use "Source" instead a noun "Reason".

Source noun - A point or place at which something is invented or provided.

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Reason and source are semantically related. Sometimes you can use "Reason" instead a noun "Source".

good	good reason	good source
best	best reason	best source
better	better reason	better source
common	common reason	common source
Other adjectives: specific, original, true, legitimate, likely, actual, real, large, big, main, important, key, new, major, sole, possible, apparent, official, primary, unknown, different, biggest.

Bittersweet Ending: Nozomu and Kanae never learn the reason or source for their gender benders but with no sign they'll ever change back they eventually realize they'll just have to deal with it.

Source: Manga / Nozomu Nozomi
She's restored to the primordial ooze she was made from, to be used by the bad guy as a power source and a reason to make the main Rider cry by the plot.

Source: Disposable Woman
The only reason his character existed in OITNB is because of the source material, and fan response to Larry has been of him as The Scrappy of the show.

Source: Hollywood Hype Machine

Cite this Source

Source and Reason. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/reason/source

Reason & Source. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/reason/source>.

Source or Reason. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/reason/source.

Google Ngram Viewer shows how "reason" and "source" have occurred on timeline