'Concluded' in the Bible

and I saw every work of God, I concluded that man cannot discover the work which has been done under the sun. Even though man should seek laboriously, he will not discover; and though the wise man should say, “I know,” he cannot discover.

Some of the crowd concluded it was Alexander, since the Jews had put him forward; and having motioned with his hand, Alexander was intending to make a defense to the assembly.

For the love of Christ controls us, having concluded this, that one died for all, therefore all died;