Concerted activity; something done together by two or more people.

present participle of concert

plural of concerting

Used other than figuratively or idiomatically: see in, concert. / Acting together

A form of dialogue and co-decision, implying the mutual exchange of information, open discussion and knowledge sharing, and the signature of operational agreements between public administrations and/or with representatives of the private sector.

simple past tense and past participle of concertize

Third-person singular simple present indicative form of concertize

present participle of concertize

plural of concertation

(uncountable) Agreement in a design or plan; union formed by mutual communication of opinions and views; accordance in a scheme; harmony; simultaneous action.