questionable

adj. dudoso, contestable, controversial, controvertible, controvertido, cuestionable, debatible, discutible, refutable

cuestionable

Ex: It was questionable if the talent available was fit for the rather specific purposes of SLIS.
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*unquestionable = incuestionable, indiscutible

cuestionable

(adj.) = cuestionable, dudoso, discutible
Ex: It was questionable if the talent available was fit for the rather specific purposes of SLIS.
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* render + questionable = cuestionar, poner en cuestión
* unquestionable = incuestionable, indiscutible