The term "proscribing" typically refers to banning or outlawing something. As such, its antonyms could include words like "approving," "allowing," "permitting," or "endorsing." These are all terms that indicate a positive or permissive attitude towards a particular action, object, or behavior. Other potential antonyms might include words like "embracing," "supporting," "promoting," or "championing," all of which suggest actively advocating for a particular cause or idea. Overall, the opposite of "proscribing" involves looking for ways to promote and encourage certain activities or behaviors, rather than trying to suppress or prevent them.