When it comes to describing someone or something as a paragon of stability, there are several synonyms that can be used. One such synonym is the phrase model of consistency, which implies that whatever the subject may be, it is reliable and does not waver from that reliability. Another synonym is the expression pillar of strength, which suggests that the subject is not only consistent but also strong and dependable, just like a pillar that supports a structure. Other synonyms include epitome of reliability, embodiment of steadfastness, and standard of dependability. All of these phrases convey a similar meaning to paragon of stability, and can be used interchangeably depending on the context in which they are being used.