Good
Good adjective - Based on sound reasoning or information.
Usage example: had enough information to make a good assessment of the situation
Valid is a synonym for good in authentic topic. In some cases you can use "Valid" instead an adjective "Good", when it comes to topics like cheque or credit card.
Valid
Valid adjective - According to the rules of logic.
Usage example: your argument isn't valid because you're taking what should be the conclusion and using it as a premise
Good is a synonym for valid in right topic. You can use "Good" instead an adjective "Valid", if it concerns topics such as cheque or credit card.
Nearby Words: validity, validation
Mutual synonyms
Both words in one sentence
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For every Doctor and Lawyer that upholds your case I could find a thousand that would find our marriage good and valid!
- Most atheists believe that the scientific method is a valid and valuable means of learning about nature, and many are in line with the view that science is good.
Source: Useful Notes / Atheism - Star Trek VI was seen as a valid return to form and a good sendoff for the TOS crew.
Source: Win Back the Crowd
Cite this Source
Valid and Good. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/good/valid
Good & Valid. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/good/valid>.
Valid or Good. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/good/valid.
Google Ngram Viewer shows how "good" and "valid" have occurred on timeline