Synonyms of the word 
SOI-DISANT → QUESTIONABLE - SELF-STYLED
soi-disant
- adj. Self-styled; self-proclaimed.
- adv. supposedly.
questionable
- adj. (obsolete) Inviting questions; inviting inquiry.
- adj. Problematic; open to doubt or challenge.
- adj. Of dubious respectability or morality.
self-styled
- adj. Claimed by the recipient, as a title one gave to oneself.
If you are interested in words, visit the following sites :
- wiktionary.org/soi-disant For complete definition of a word
- 1word.ws/soidisant to play with words, suffixs, prefixs, etc.