A brilliant simple starter would be finally....... or therefor would be a little more complicated. But you would have to think whether it would suit what you are trying to say in the rest of the paragraph.
The original (trusted) answer:
It depends on what you mean by conclusion. If you mean 'conclusion' in the sense of 'end', 'Finally' would be a good word to introduce it. If you mean 'conclusion' in the sense of 'inference', 'Therefore' is a possibility.
end, conclusion, finish, conclude, complete and stop
A good way to start a conclusion is by summing up how even though these two things ( whatever you are comparing and contrasting) had many similarity's and differences, they still did well. (or whatever your topic is about.)
You can start a science3 fair conclusion with I CONCLUDE OR MY FINAL CONCLUSION IS
The base word for "conclusion" is "conclude."
In conclusion, To summarize, To sum up, For the most part, Generally speaking, In the final analysis, Altogether, As shown above, Given these points,
In conclusion, and based on the above, we say that.....
The Latin word for conclusion is conclusio
Consistent is an example.
Conclude is the verb from which we get the word "conclusion." To conclude is to bring to an end, to state the final opinion. Many short essays will start the final paragraph with the phrase, "in conclusion."
The base word for conclusion is "conclude."
conclusion
The conclusion is a short summary of what you have said in your essay. You need to decide what sentence best explains your topic! Nobody else can give you a "good conclusion" because our ideas will support your topic. If you just start writing, you will be through with your assignment before you know it!