Spearheading definition of spearheading by The Free DictionarySynonym phrases of pioneering include steering, paving the way for, promoting, taking the lead in, being the front-runner for, providing catalyst, being a driving force behind, fostering along with marking the dawn of. Other words to synonym encompass word with similar meaning as well as link to thesaurus. Information tailored to target the keyword spearheading synonym can be designed to captivate the intended audience.