Решить. 100
guess the meaning of the words in bold type:
to conceive — conceivable – conceivably — inconceivable – inconceivably; to transform – transformation — transformer; to react – reactive – reactivate – reactivator — reactivation – reaction – reactionless — reactionary; to circulate – circulation; to develop – development – undeveloped — underdeveloped; to grade — gradual– gradually – to upgrade; to notice – noticeable – noticeably; to relate – relationship; to create – creature – creation – creative – creator — creativity