Act
Act verb - To present a portrayal or performance of.
Observe
Observe verb - To act according to the commands of.
Common collocations
Both words in one sentence
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After Sarah drops the "Beth" act, she coldly calls him out for being Beth's monitor.Sarah: You observe her.
Source: Series / Orphan Black -
This seems at first glance to be an act but if you observe how he interacts with people he knows well, it turns out he's actually like that all the time.
Source: Series / Columbo -
Players also act as ad-hoc timewaves; propagating any changes they observe.A trailer can be seen here.Information on the game and ordering can be found at achrongame.com and also on Steam.
Source: Video Game / Achron
Cite this Source
Observe and Act. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/act/observe
Act & Observe. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/act/observe>.
Observe or Act. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/act/observe.
Google Ngram Viewer shows how "act" and "observe" have occurred on timeline