Antonyms of adj so-called

1 sense of so-called

Sense 1
alleged (prenominal), so-called, supposed -- (doubtful or suspect; "these so-called experts are no help")

INDIRECT (VIA questionable) -> unquestionable -- (incapable of being questioned; "unquestionable authority")

Similarity of adj so-called

1 sense of so-called

Sense 1
alleged (prenominal), so-called, supposed -- (doubtful or suspect; "these so-called experts are no help")
       => questionable (vs. unquestionable) -- (subject to question; "questionable motives"; "a questionable reputation"; "a fire of questionable origin")