'Encourage' in the Bible

But charge Joshua, and encourage him and strengthen him; for he shall go over before this people, and he shall put them in possession of the land which thou shalt see.

Then David said to the messenger, Thus shalt thou say to Joab: Let not this thing displease thee, for the sword devours one as well as another: make thy battle strong against the city, and overthrow it; and encourage him.

But I would encourage you with my mouth, and the solace of my lips should assuage your pain.

They encourage themselves in an evil matter, they concert to hide snares; they say, Who will see them?

In the day when I called thou answeredst me; thou didst encourage me with strength in my soul.