concert
1 acting jointly.
2 (of music or a performer) giving a public performance live.
❶ 2013Independent The more SMEs take this hardline approach, the more effective it is likely to be-especially if they act in concert.
conclusion
conclusion
a foregone conclusion: seeforegone.
jump (or leap) to conclusions (or the conclusion that): seejump.
try conclusions with engage in a trial of skill or argument with. formal
1902G. S. WhitmoreThe Last Maori War in New Zealand Te Kooti's prestige enormously increased by an apparent unwillingness to try conclusions with him, even with an immensely superior force and in the open plains.