Justifiable
Justifiable adjective - Capable of being defended with good reasoning against verbal attack.
Sound is a synonym for justifiable in reasonable topic. In some cases you can use "Sound" instead an adjective "Justifiable", when it comes to topics like valid.
Sound
Sound adjective - According to the rules of logic.
Usage example: sound reasoning alone should tell you that the result is invalid
Justifiable is a synonym for sound. Sometimes you can use "Justifiable" instead an adjective "Sound".
Mutual synonyms
Both words in one sentence
- It's a noteworthy example in that any Ooh, Me Accent's Slipping would be somewhat justifiable considering his character's British origin, but the American sound holds up very well, even through rushed diatribes about advanced technologies.
Source: Fake American / Live-Action TV
Cite this Source
Sound and Justifiable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/justifiable/sound
Justifiable & Sound. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/justifiable/sound>.
Sound or Justifiable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/justifiable/sound.
Google Ngram Viewer shows how "justifiable" and "sound" have occurred on timeline