30 Synonyms Antonyms of SPEARHEAD MerriamWebsterVariant phrases for initiating include steering, paving the way for, promoting, being at the forefront of, being the vanguard of, propelling, instigating, fostering and inaugurating. Other words to alternative include word with similar meaning as well as link to thesaurus. Information crafted for the keyword synonym spearheading can be formulated to entice and inform readers.