Commitment
Commitment noun - Something one must do because of prior agreement.
Usage example: they made a commitment to pay the bill upon receipt of their order
Must and commitment are semantically related in obligation topic. In some cases you can use "Must" instead a noun "Commitment", when it comes to topics like assurance.
Must
Must noun - Something necessary, indispensable, or unavoidable.
Commitment and must are semantically related in obligation topic. You can use "Commitment" instead a noun "Must", if it concerns topics such as necessity.
Mutual synonyms
How words are described
Both words in one sentence
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But they will still live for several decades, so a would-be owner must be prepared for a lifelong commitment.
Source: The Red Stapler -
Driven by this commitment and guided by his belief in something greater than himself, Eli does what he must to survive—and continue.
Source: Film / The Book of Eli - Once the commitment to sex has been made, it is impossible to delay the act, so you must rip each other's clothes off and be lucky if you make it to the bed.
Source: Common Hollywood Sex Traits
Cite this Source
Must and Commitment. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/commitment/must
Commitment & Must. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/commitment/must>.
Must or Commitment. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/commitment/must.
Google Ngram Viewer shows how "commitment" and "must" have occurred on timeline