Contemporise is a verb that means to bring something up to date or to align with current trends. There are several synonyms that can be used to express the same meaning as contemporise. One such alternative is modernize, which denotes updating to the current era or technology. Another synonym is revitalize, which implies giving new energy or life to an existing concept. Additionally, the term rejuvenate can be used to describe contemporizing as it indicates restoring youthfulness or freshness to something. Finally, the term renovate can be used as it implies renewing or restoring something to its almost-original state. Overall, while all of these words have their own nuances, they can be used interchangeably with contemporize.