work together on a common enterprise of project; "The soprano and the pianist did not get together very well"; "We joined forces with another research group"
cooperate as a traitor; "he collaborated with the Nazis when they occupied Paris"
give heed (to); "The children in the audience attended the recital quietly"; "She hung on his every word"; "They attended to everything he said"
take charge of or deal with; "Could you see about lunch?"; "I must attend to this matter"; "She took care of this business"
be present at (meetings, church services, university), etc.; "She attends class regularly"; "I rarely attend services at my church"; "did you go to the meeting?"
to accompany as a circumstance or follow as a result; "Menuhin's playing was attended by a 15-minute standing ovation"