n.
Pronunciation: k ə n- ' s ə rt
Function: verb
Etymology: Middle French concerter, from Old Italian concertare, perhaps from com- + certo certain, decided, from Latin certus ― more at CERTAIN
Date: 1652
transitive verb
1 : to make a plan for < concert measures for aiding the poor>
2 : to settle or adjust by conferring and reaching an agreement < concert ed their differences>
intransitive verb : to act in harmony or conjunction