Observation
Observation noun - A state of being aware.
Testing and observation are semantically related. In some cases you can use "Testing" instead a noun "Observation".
Testing
Testing noun - The act of subjecting to experimental test in order to determine how well something works.
Observation and testing are semantically related. Sometimes you can use "Observation" instead a noun "Testing".
Mutual synonyms
Both words in one sentence
- Aristotle had theorized a lot of stuff pure on observation, rather than testing it.
Source: Creator Worship -
Research into Psychic Powers in the 1970s ram up against this trope when people who (by pure luck) scored well on card-guessing procedures were singled out for re-testing under closer observation.
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In addition, Aperture Science must also note that the windows overlooking all testing chambers are not used for observation purposes either.
Source: Big Brother Is Watching
Cite this Source
Testing and Observation. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/observation/testing
Observation & Testing. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/observation/testing>.
Testing or Observation. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/observation/testing.
Google Ngram Viewer shows how "observation" and "testing" have occurred on timeline