link up

(noun) a fastener that serves to join or connect. Synonyms: link, linkup, tie, tie-in. Example: "The walls are held together with metal links placed in the wet mortar during construction."

(verb) be or become joined or united or linked. Synonyms: connect, link, link up, join, unite. Examples: "The two streets connect to become a highway." "Our paths joined." "The travelers linked up again at the airport."

(verb) connect, fasten, or put together two or more pieces. Synonyms: connect, link, tie, link up. Examples: "Can you connect the two loudspeakers?." "Tie the ropes together." "Link arms."

(verb) make a logical or causal connection. Synonyms: associate, tie in, relate, link, colligate, link up, connect. Examples: "I cannot connect these two pieces of evidence in my mind." "Colligate these facts." "I cannot relate these events at all."