Looking on the internet deeply has found these results:

in conclusion is the most popular phrase on the web.

to conclude 13,000,000 results on the web	in conclusion 160,200,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
(takes a clause as object) to decide by reasoning; deduce: the judge concluded that the witness had told the truth. 3. to arrange finally; settle: to conclude a treaty �... to conclude a speech with a quotation from the Bible. 2. to say in conclusion: At the end of the speech he concluded that we had been a fine audience. 3. to bring �... to conclude. star. see definition of to conclude. Font size. X. Aa. Aa. Aa. Aa. Aa. show ... Synonyms for to conclude. adv in the end. after star � behind star � finally�... More words related to conclude. accomplish ... But it is time to conclude this introduction lest it anticipate and forestall the work, instead of merely preceding it.	So, in conclusion, not at all close. Its graphic chip permitted 80 columns of characters; in conclusion it was a computer with semiprofessional aspect & caracteristics. So in conclusion, I'd like to leave you with actually four messages. in conclusion, this costume sucks! So, in conclusion, I think the message is clear. And in conclusion, let me say... Being in conclusion not only high quality shoe producer, but also being part of your important choices. But in conclusion, I'd like to say, congratulations, Harvey.

to conclude

13,000,000 results on the web

in conclusion

160,200,000 results on the web

More popular!

(takes a clause as object) to decide by reasoning; deduce: the judge concluded that the witness had told the truth. 3. to arrange finally; settle: to conclude a treaty �...
to conclude a speech with a quotation from the Bible. 2. to say in conclusion: At the end of the speech he concluded that we had been a fine audience. 3. to bring �...
to conclude. star. see definition of to conclude. Font size. X. Aa. Aa. Aa. Aa. Aa. show ... Synonyms for to conclude. adv in the end. after star � behind star � finally�...
More words related to conclude. accomplish ... But it is time to conclude this introduction lest it anticipate and forestall the work, instead of merely preceding it.

So, in conclusion, not at all close.
Its graphic chip permitted 80 columns of characters; in conclusion it was a computer with semiprofessional aspect & caracteristics.
So in conclusion, I'd like to leave you with actually four messages.
in conclusion, this costume sucks!
So, in conclusion, I think the message is clear.
And in conclusion, let me say...
Being in conclusion not only high quality shoe producer, but also being part of your important choices.
But in conclusion, I'd like to say, congratulations, Harvey.