triftigen
Triftigen is a form of the Swedish adjective triftig, which denotes something that is plausible, credible, or well-founded. The term is used to describe reasons, explanations, or evidence that appear sufficiently supported or convincing to justify a conclusion. In written Swedish, triftig characterizes the quality of an argument or justification, signaling that it meets a threshold of plausibility.
In practice, the concept expressed by triftig is common in formal and semi-formal discourse, including journalism,
Etymologically, triftig belongs to the family of Germanic adjectives describing credibility or reasonableness. It has cognates
See also: triftig, plausibility, credible, argumentation, language use in Swedish. Notes on usage in specialized texts