The word "fossilizable" is primarily used to describe the ability of an organism or material to become fossilized. However, there are several synonyms that can be used in its place. Some alternatives include "petrifiable," which refers to the ability to turn into stone; "hardening," which describes the process of becoming more solid; and "mineralization," which refers to the replacement of organic matter with minerals. Other related words include "preservation," which describes the act of keeping something in its original state, and "fossilization," which is the process by which organisms become fossils. These synonyms offer useful alternatives to "fossilizable" and allow for more variety in language.