1The detective's conjecture about the suspect's motives was later confirmed by forensic evidence.
2Is it reasonable to conjecture that the decline in bee populations is linked to pesticide use?
3The philosopher's conjecture about the nature of free will has been the subject of much debate.
4Avoid presenting conjecture as fact in your research paper; clearly label speculative sections as such.
5There is ongoing conjecture among historians about the true authorship of the anonymous manuscript.