Sentence:  If it is not enough that all of our internationalist One Worlders are advocating that we <WSD>join</WSD> this market , I refer you to an article in the New York Times ' magazine section [ Nov. 12 , 1961 ] , by Mr. Eric Johnston , entitled `` We Must Join the Common Market '' . 
Meaning of the word marked with <WSD> tags:  become part of; become a member of a group or organization