con·clu·sion 
/kənˈklu:ʒən/ noun
plural con·clu·sions /kənˈklu:ʒən/ noun 1 [count] : a final decision or judgment : an opinion or decision that is formed after a period of thought or research
▪ What is your conclusion? [=what do you conclude?] ▪ The evidence does not support the report's conclusions. ▪ The evidence points/leads to the inescapable conclusion that she was negligent. ▪ The logical/obvious conclusion is that she was negligent. ▪ What led/brought you to that conclusion? ▪ After thinking about it, we came to the conclusion [=we decided] that we shouldn't go. ▪ Scientists haven't yet reached a conclusion [=made a judgment/decision] on/about the causes of this illness. ▪ They haven't yet arrived at a conclusion. ▪ Is it possible to draw conclusions [=make judgments] from this evidence? ◊To jump/leap to conclusions is to make judgments too quickly before knowing all the facts.
▪ The evidence suggests that he's to blame, but let's be careful not to jump to conclusions. He may have a good explanation for what happened. ▪ We should hear his explanation before we jump to the conclusion that he's to blame. 2 [count] : the last part of something : end — usually singular ▪ Many people were upset at the conclusion of the meeting. [=when the meeting concluded/ended] ▪ a satisfactory conclusion to the negotiations ▪ The conclusion of her speech contained some surprising news. ▪ The strike has finally reached its conclusion. [=has finally ended] ▪ At this point, his victory seems to be a foregone conclusion. [=his victory seems certain; there seems to be no doubt that he will win] 3 : the act of concluding or finishing something or the state of being finished [singular] ▪ We had hoped for a quick conclusion of/to the war. [=had hoped that the war would end quickly] ▪ The case was finally brought to a conclusion [=was finally concluded] last week. [noncount] ▪ the conclusion of a business deal ▪ The case was finally brought to conclusion last week.
▪ What is your conclusion? [=what do you conclude?] ▪ The evidence does not support the report's conclusions. ▪ The evidence points/leads to the inescapable conclusion that she was negligent. ▪ The logical/obvious conclusion is that she was negligent. ▪ What led/brought you to that conclusion? ▪ After thinking about it, we came to the conclusion [=we decided] that we shouldn't go. ▪ Scientists haven't yet reached a conclusion [=made a judgment/decision] on/about the causes of this illness. ▪ They haven't yet arrived at a conclusion. ▪ Is it possible to draw conclusions [=make judgments] from this evidence? ◊To jump/leap to conclusions is to make judgments too quickly before knowing all the facts.
▪ The evidence suggests that he's to blame, but let's be careful not to jump to conclusions. He may have a good explanation for what happened. ▪ We should hear his explanation before we jump to the conclusion that he's to blame.
in conclusion
— used to introduce the final comments at the end of a speech or a piece of writing ▪ In conclusion, I would like to thank you for inviting me to speak tonight.
