Translations for infer in French

Here are paragraphs from public domain books translated:

"Then, pray tell me what it is that you can infer from this hat?"	— Alors, dites-moi, je vous en prie, ce que vous pouvez déduire de ce chapeau ?
The Adventures of Sherlock Holmes, by Arthur Conan Doyle	Les Aventures de Sherlock Holmes, de Arthur Conan Doyle