From Latin suppositīciusfromsupposituspast participle ofsuppōnereto substitutesuppose
American Heritage Dictionary of the English Language, 5th Edition
From LatinsuppositÄ«tius, from the participle stem of suppono.
Supposititious Sentence Examples
Popular incredulity expressed itself in the assertion that, as James had attempted to gain his ends by means of a packed bench of judges and a packed House of Commons, he had now capped the series of falsifications by the production of a supposititious heir.
It is impossible to fix the date at which the supposititious relics were introduced into the church of the Sepulchre: it is certain, however, that in the 5th century the Cross was there preserved with scrupulous reverence, and accounted the highest treasure of the sanctuary.
Toland's next work of importance was his Life of Milton (1698), in which a reference to "the numerous supposititious pieces under the name of Christ and His apostles and other great persons," provoked the charge that he had called in question the genuineness of the New Testament writings.
Stories tell how on one occasion a merchant, who had bought several cases of sardines at Nijni-Novgorod, found that they contained forbidden print instead of fish, and at another time a supposititious copy of the Kolokol was printed for the emperor's special use, in which a telling attack upon a leading statesman, which had appeared in the genuine number, was omitted.
The legend that he was a supposititious child, really the son of an Italian police constable named Chiapponi, is dealt with elsewhere (see Maria Stella, countess of Newborough).