Convincing
Convincing adjective - Having the power to persuade.
Firm and convincing are semantically related. In some cases you can use "Firm" instead an adjective "Convincing".
Firm
Firm adjective - Based on sound reasoning or information.
Usage example: that assassination theory is far from firm, since there's not a shred of actual evidence to back it up
Convincing and firm are semantically related. Sometimes you can use "Convincing" instead an adjective "Firm".
Mutual synonyms
Both words in one sentence
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Blatant Lies: The series hinges on Mike and Harvey convincing the rest of the firm that Mike really graduated from Harvard Law School and is a fully qualified lawyer.
Source: Series / Suits -
Don goes to great lengths to hint that SCDP is going to make a big, expensive spec commercial for Honda (which is finished work and therefore not allowed) convincing Ted Chaough that his firm should do the same.
Source: Kansas City Shuffle
Cite this Source
Firm and Convincing. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/convincing/firm
Convincing & Firm. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/convincing/firm>.
Firm or Convincing. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/convincing/firm.
Google Ngram Viewer shows how "convincing" and "firm" have occurred on timeline