The phrase "ushers in" is often used to describe the beginning of a new era or time period. There are several synonyms that can be used to convey a similar meaning, including "inaugurates," "commences," "initiates," "starts," and "heralds." These words suggest the start of something significant and often imply that this new phase will bring about changes or developments. Other synonyms for "ushers in" include "marks the advent," "paves the way," and "opens the door to," all of which emphasize the idea of a new beginning and the potential for growth or progress. Whether you use "ushers in" or one of its synonyms, it's a powerful way to describe the start of a new era.