Definitely
Definitely adverb - Without any question.
Reasonably and definitely are semantically related. In some cases you can use "Reasonably" instead an adverb "Definitely".
Reasonably
Reasonably adverb - With good reason or courtesy.
Definitely and reasonably are semantically related. Sometimes you can use "Definitely" instead an adverb "Reasonably".
Both words in one sentence
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But when its revealed he can speak perfect Lissepian (the Lissepians being a reasonably well-known trading culture but nothing special), he definitely crosses into Omniglot territory.
Source: Omniglot -
In fairness he comes across as reasonably cunning (even if he is a "weak minded fool") but he definitely isn't the Magnificent Bastard he sees himself as.
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Most units in BattleTech are effectively immediately destroyed if they ever find themselves in too-deep water; they can generally be recovered and dried out reasonably easily after the battle, but they're definitely out of the fight.
Source: No Waterproofing in the Future
Cite this Source
Reasonably and Definitely. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/definitely/reasonably
Definitely & Reasonably. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/definitely/reasonably>.
Reasonably or Definitely. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/definitely/reasonably.
Google Ngram Viewer shows how "definitely" and "reasonably" have occurred on timeline