Synonyms for Joint (same or very similar meaning)
WordNet sense 1 (the shape or manner in which things come together and a connection is made):
articulation, join, junction, juncture
WordNet sense 2 (a piece of meat roasted or for roasting and of a size for slicing into more than one portion):
roast
WordNet sense 3 ((anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion)):
articulatio
WordNet sense 4 (marijuana leaves rolled into a cigarette for smoking):
reefer, stick, spliff, marijuana cigarette
WordNet sense 5 (provide with a joint):
articulate, articulate
WordNet sense 6 (have in common; held or experienced in common):
shared
WordNet sense 7 (involving the joint activity of two or more):
combined, concerted, conjunctive, cooperative, united
WordNet sense 8 (done by or characteristic of individuals acting together):
collective
WordNet sense 9 (consisting of two or more associated entities):
conjoint
WordNet sense 10 (having many parts or sides):
many-sided, multilateral
From the ODE community, based on WordNet
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