64 entries under theoretical topic. ×

21
hypothetical(adjective, belief, abstract, imaginary, apparent)
20
speculative(adjective, unsettled, vague, supposition)
15
supposititious(adjective, belief, apparent, supposition)
13
supposed(adjective, belief, vague, apparent)
12
suppositious(adjective, belief, vague, apparent, supposition)
11
hypothetic(adjective, belief, supposed)
10
assumed(adjective, vague, imaginary, supposition)
10
doubtful(adjective, vague, unsure, imaginary)
9
putative(adjective, vague, imaginary, supposition)
8
uncertain(adjective, doubtful, vague, changeable)
7
abstract(adjective, academic, philosophical, speculative)
5
questionable(adjective, doubtful, vague, hesitant, changeable)
5
reputed(adjective, supposed, speculative, hypothetical)
4
alleged(adjective, apparent, supposed, hypothetical)
4
ideal(adjective, abstract, academic, philosophical)
4
imaginary(adjective, vague, assumed, academic)
4
presumed(adjective, apparent, supposed, academic)
3
theoretic
1
intellectual(adjective, abstract, academic, philosophical)
1
metaphysical(vague, abstract, academic, philosophical)
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APASmart Define. (2015). conjectural thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/conjectural/thesaurus/synonyms
ChicagoSmart Define. 2015. "conjectural thesaurus" https://smartdefine.org/conjectural/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, conjectural thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/conjectural/thesaurus/synonyms>.
MLASmart Define. "conjectural thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/conjectural/thesaurus/synonyms>