Ought to
Ought to verb - To be under necessity or obligation to.
Usage example: you ought to buy him a new book to replace the one you lost
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Synonyms for Ought to
Shall
Shall verb - To be under necessity or obligation to.
Usage example: you shall do as I say
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Synonyms for Shall
Cite this Source
Shall and Ought to. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/ought_to/shall
Ought to & Shall. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/ought_to/shall>.
Shall or Ought to. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/ought_to/shall.
Google Ngram Viewer shows how "ought to" and "shall" have occurred on timeline