The phrase "bobs a curtsy" is a way of describing a form of greeting or respect, particularly in historic or formal settings. Synonyms for this phrase might include "bows," "curtseys," "obeys," "salutes," "acknowledges," "greetings," "salaams," and "obeisances." Each of these words has its own nuances and connotations, but all convey a sense of deference or respect towards another person or entity. Whether used in a royal court or in modern society, these words can help convey a sense of politeness and deference towards others, and show appreciation for their presence and influence.