24 Synonyms Antonyms of SPEARHEADING MerriamWebsterAlternate phrases for pioneering involve headlining, paving the way for, promoting, being at the forefront of, being the vanguard of, providing catalyst, being a driving force behind, encouraging and marking the dawn of. Similar terms to alternate encompass equivalent and link to thesaurus. Information optimized for the keyword synonym spearheading can be formulated to entice and inform readers.