introduce Synonyms

preface usher in insert precede enter infix enclose bring in innovate premise put in bring out announce acquaint present inaugurate begin start-up submit start stablish tendering usher vaccinate ventilate bring up to bring in suggest spearhead show predate preexist prefix prelude premised premiss sandwich presented prevene proffer prologize propose propound provide raise reabsorb shoehorn preamble log on kick off