What is another word for key to?
Pronunciation: [kˈiː tuː] (IPA) 
The phrase "key to" is often used to indicate the most crucial factor or element of a situation or problem. Synonyms for "key to" include phrases such as "crucial to," "central to," "critical to," and "pivotal to." Other options might include "essential for," "fundamental to," "vital for," and "integral to." It's important to pay attention to the context in which these phrases are used, as they may have slightly different connotations or implications. Choosing the right synonym for "key to" can help to clarify your point and make your writing more precise and effective.
