Step up
Step up verb - To make markedly greater in measure or degree.
Substantiate and step up are semantically related. In some cases you can use "Substantiate" instead a verb "Step up".
Substantiate
Substantiate verb - To gain full recognition or acceptance of.
Step up and substantiate are semantically related. Sometimes you can use "Step up" instead a verb "Substantiate".
Mutual synonyms
Cite this Source
Substantiate and Step up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/step_up/substantiate
Step up & Substantiate. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/step_up/substantiate>.
Substantiate or Step up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/step_up/substantiate.
Google Ngram Viewer shows how "step up" and "substantiate" have occurred on timeline