Deducements refer to conclusions or inferences drawn from evidence or reasoning. As such, antonyms for deducements would include words that represent ideas or concepts that are the opposite of drawing conclusions or making inferences. Some possible antonyms might include measurements, observations, facts, evidence, or data, which are all pieces of information that provide a starting point for deducing conclusions. Other antonyms could include vagueness, doubt, confusion, uncertainty, or conjecture, which are all characteristics that would undermine the development of clear or definitive conclusions. Overall, antonyms for deducements would represent ideas that do not involve drawing clear inferences from known evidence or reasoning.