SPEARHEAD Synonyms 35 Synonyms Antonyms ThesauruscomSynonym words for spearheading include headlining, paving the way for, advocating, being at the forefront of, being the front-runner for, providing catalyst, instigating, fostering along with marking the dawn of. Other words related to synonym encompass equivalent and definition of synonym. Text crafted for the keyword spearheading alternative word can be developed to captivate the intended audience.