24 Synonyms Antonyms of SPEARHEADING MerriamWebsterSynonym words of pioneering comprise steering, paving the way for, promoting, leading the charge in, being the vanguard of, giving impetus, instigating, nurturing along with inaugurating. Synonyms to alternate encompass word with similar meaning as well as thesaurus entry. Content crafted to target the keyword synonym spearheading can be formulated to attract and retain readers.