Palpableness is a term used to describe something that is easily perceivable or can be felt by touch. However, there are several synonyms for this word that can effectively convey the same meaning. One could use "tangibility" as an alternative, which signifies the ability to touch or feel something physically. Another option is "percipiency", which emphasizes the idea of being easily perceived or sensed. Additionally, "noticeability" is a suitable synonym, denoting something that is readily observed or noticeable. Lastly, "manifestness" is an apt substitute, highlighting the concept of something being evident or clearly apparent. These synonyms effectively capture the essence of palpableness and enable rich and varied descriptions in different contexts.