Sentence:  By-passing the military junta which has ruled Turkey since the overthrow of Premier Adnan Menderes 17 months ago , the army general staff , led by Gen. Cedvet Sunay , had set a deadline for the parties to <WSD>join</WSD> in a national coalition government . 
Meaning of the word marked with <WSD> tags:  become part of; become a member of a group or organization