Toady to is a phrase that means to flatter and curry favor with someone. There are several synonyms for this phrase that can be used in different contexts. One synonym is "fawn over," which conveys the same idea of excessive flattery. "Suck up to" is another synonym, often used in a negative context to criticize someone who is overly obsequious. "Kowtow to" is a more formal synonym that suggests submission and deference to someone in a higher position of power. Other synonyms include "brown-nose," "crawl to," and "grovel to." These synonyms can help to add variety and nuance to your writing or speech when describing someone who is excessively trying to please another person.