Astonishingly
Astonishingly adverb - In an amazing manner; to everyone's surprise.
For certain and astonishingly are semantically related. In some cases you can use "For certain" instead an adverb "Astonishingly".
For certain
For certain adverb - Definitely or positively (`sure' is sometimes used informally for `surely').
Astonishingly and for certain are semantically related. Sometimes you can use "Astonishingly" instead an adverb phrase "For certain".
Mutual synonyms
Cite this Source
For certain and Astonishingly. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/astonishingly/for_certain
Astonishingly & For certain. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/astonishingly/for_certain>.
For certain or Astonishingly. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/astonishingly/for_certain.
Google Ngram Viewer shows how "astonishingly" and "for certain" have occurred on timeline