— supposititiously , adv. — supposititiousness , n.
/seuh poz'i tish"euhs/ , adj.
1. fraudulently substituted or pretended; spurious; not genuine.
2. hypothetical.
[ 1605-15; suppositicius, equiv. to supposit ( us ) (ptp. of supponere; see SUPPOSITION) + -icius -ITIOUS ]