adj.
Pronunciation: s ə - ˌ pä-z ə - ' ti-sh ə s
Function: adjective
Etymology: Latin suppositicius, from suppositus, past participle of supponere to substitute
Date: 1610
1 a : fraudulently substituted : SPURIOUS b of a child (1) : falsely presented as a genuine heir (2) : ILLEGITIMATE
2 [influenced in meaning by supposition ] a : IMAGINARY b : of the nature of or based on a supposition : HYPOTHETICAL
– sup · pos · i · ti · tious · ly adverb