'Up building' in the Bible

So then, let us pursue [with enthusiasm] the things which make for peace and the building up of one another [things which lead to spiritual growth].

But the person who prophesies speaks to people for their upbuilding, encouragement, and comfort.

What, then, does this mean, brothers? When you gather, everyone has a psalm, teaching, revelation, foreign language, or interpretation. Everything must be done for upbuilding.

For even though I boast rather freely about the authority the Lord gave us for building you up and not for destroying you, I will not be ashamed [of the truth],

Again, think ye that to you we are making defence? before God in Christ do we speak; and the all things, beloved, are for your up-building,