adjective
1.
Synonyms: illegitimate 1, baseborn, bastard, fatherless, misbegotten, natural, spurious, unfathered
2.
Synonyms: fictitious 1, chimerical, fanciful, fantastic, fictional, fictive, illusory, imaginary, suppositious, unreal
3.
Synonyms: supposed 1, conjectural, hypothetical, putative, reputed, suppositional, suppositious, suppositive, suppository