Observation
Observation noun - A state of being aware.
Sentinel and observation are semantically related In some cases you can use "Sentinel" instead a noun "Observation".
Sentinel
Sentinel noun - A person or group that watches over someone or something.
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Synonyms for Sentinel
Observation and sentinel are semantically related in attention topic. Sometimes you can use "Observation" instead a noun "Sentinel".
Mutual synonyms
Cite this Source
Sentinel and Observation. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/observation/sentinel
Observation & Sentinel. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/observation/sentinel>.
Sentinel or Observation. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/observation/sentinel.
Google Ngram Viewer shows how "observation" and "sentinel" have occurred on timeline