Perceptibly is an adverb that refers to something that can be perceived. It can also mean something that is noticeable or evident. Some synonyms for perceptibly include noticeably, visibly, detectably, noticeably, and discernibly. These words refer to something that can be easily recognized, seen or felt. Other synonyms of perceptibly are palpably, appreciably, and tangibly. These words refer to something that can be measured and experienced. Additionally, words like markedly, noticeably, and strikingly are synonyms of perceptibly and emphasize the degree to which something is noticeable or apparent. In summary, there are several synonyms for the word perceptibly, and the choice of words depends on the context in which it is used.