Assumption
Assumption noun - Something taken as being true or factual and used as a starting point for a course of action or reasoning.
Usage example: your argument is faulty because it's based on erroneous assumptions
Deduction is a synonym for assumption in inference topic. In some cases you can use "Deduction" instead a noun "Assumption", when it comes to topics like supposition, conclusion.
Deduction
Deduction noun - An opinion arrived at through a process of reasoning.
Usage example: his impressive deduction of the correct answer from only a few hints
Assumption is a synonym for deduction in conclusion topic. You can use "Assumption" instead a noun "Deduction".
Mutual synonyms
Related pairs
- inference and assumption
- inference and deduction
- belief and assumption
- belief and deduction
- surmise and assumption
- surmise and deduction
- conviction and assumption
- conviction and deduction
- opinion and assumption
- opinion and deduction
- thought and assumption
- thought and deduction
- view and assumption
- view and deduction
How words are described
| rational | rational assumption | rational deduction |
| usual | usual assumption | usual deduction |
| common | common assumption | common deduction |
| natural | natural assumption | natural deduction |
| Other adjectives: standard, initial, correct, reasonable, fair, accurate, obvious, simple, brilliant, logical, false, faulty, immediate. | ||
Cite this Source
Deduction and Assumption. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/assumption/deduction
Assumption & Deduction. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/assumption/deduction>.
Deduction or Assumption. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/assumption/deduction.
Google Ngram Viewer shows how "assumption" and "deduction" have occurred on timeline