Spearheading definition of spearheading by The Free DictionaryAlternative terms for initiating encompass headlining, forgesetting, promoting, being at the forefront of, being the vanguard of, propelling, being a driving force behind, fostering along with ushering in. Synonyms related to alternative encompass equivalent along with definition of synonym. Text crafted for the keyword spearheading synonym can be formulated to captivate the intended audience.