Synonyms for «first phase»

second initial early primary next testing trial preliminary third previous secondary major new last prototype important final planning opening later transition preparatory brief startup whole introductory essential different temporary experimental beginner single clinical critical tentative preparation attack design challenge group necessary crucial good significant positive basic subsequent simple pilot

stage period cycle step project part development season series process phrase portion segment formation action movement time section sequence scene study research construction strategy growth level implementation round work years concept training production life campaign wave screening aspect program analysis idea change game goal chapter operation sentence mission case