'Blessing' in the Bible

Then he said to Gehazi, Make yourself ready, and take my stick in your hand, and go: if you come across anyone on the way, give him no blessing, and if anyone gives you a blessing, give him no answer. And put my stick on the child's face.

And he returned to the man of God, he and all his company, and came, and stood before him: and he said, Behold, now I know that there is no God in all the earth, but in Israel: now therefore, I pray thee, take a blessing of thy servant.

'Do not hearken unto Hezekiah, for thus said the king of Asshur, Make with me a blessing, and come out unto me, and eat ye each of his vine, and each of his fig-tree, and drink ye each the waters of his own well,