putative
adjective [ before noun ] formal uk/ˈpjuː.tə.tɪv/ us/ˈpjuː.t̬ə.t̬ɪv/
假定存在的，被认为存在的
generally thought to be or to exist, even if this may not really be true
The putative leader of the terrorist cell was arrested yesterday. 被认定为该恐怖组织头目的人昨天被警方逮捕了。