We crossed a walk to the other part of the academy, where, as I have already said, the projectors in speculative learning resided.
I had hitherto seen only one side of the academy, the other being appropriated to the advancers of speculative learning, of whom I shall say something, when I have mentioned one illustrious person more, who is called among them "the universal artist."
After salutation, observing me to look earnestly upon a frame, which took up the greatest part of both the length and breadth of the room, he said, "Perhaps I might wonder to see him employed in a project for improving speculative knowledge, by practical and mechanical operations.
There are no more uses of "speculative" in the book.
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I’m too old to invest in speculative business enterprises.
My speculative sister, she of the rocket-science brain and the rodeo spirit, dropped out of college and moved to Manhattan in the late ’90s.