3
morally
3
nearly(adverb, near, much, roughly, most)
3
primarily
3
stably(adverb, solidly)
3
truly
3
vastly
2
abundantly
2
advantageously
2
all in all(expression, idiom, whole)
2
almost(adverb, nearly)
2
appreciably
2
at heart
2
bigly
2
bodily(whole, substantiality)
2
comfortably
2
completely
2
considerable
2
cordially
2
degree
2
densely(adverb, solidly)
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APASmart Define. (2015). substantially thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/substantially/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantially thesaurus" https://smartdefine.org/substantially/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, substantially thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/substantially/thesaurus/synonyms>.
MLASmart Define. "substantially thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/substantially/thesaurus/synonyms>