Assumption
Assumption noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.
Source and assumption are semantically related. In some cases you can use "Source" instead a noun "Assumption".
Source
Source noun - A point or place at which something is invented or provided.
Assumption and source are semantically related. Sometimes you can use "Assumption" instead a noun "Source".
How words are described
Both words in one sentence
- All Men Are Perverts: Naru and Motoko's base assumption about males, which between that and their pride is the source of much of their difficulties.
Source: Fanfic / For His Own Sake - The lazy assumption is that Rob Grant was the source of all the best and most sophisticated humour and stories, while Doug Naylor was a lowbrow drooling dead weight leeching off Grant's success.
Source: Scapegoat Creator -
The latter happened when the heroes tried to overcome the problem with this power source by shunting the exotic particles into another universe, under the assumption that with an infinite number of universes, odds were that most would be lifeless.
Source: Phlebotinum Overload
Cite this Source
Source and Assumption. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/assumption/source
Assumption & Source. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/assumption/source>.
Source or Assumption. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/assumption/source.
Google Ngram Viewer shows how "assumption" and "source" have occurred on timeline