From hupo and ago; to lead (oneself) under, i.e. Withdraw or retire (as if sinking out of sight), literally or figuratively -- depart, get hence, go (a-)way.
KJV: And Jesus saith unto him, See thou tell no man; but go thy way, shew thyself to the priest, and offer the gift that Moses commanded, for a testimony unto them.
NASB: And Jesus said to him, "See that you tell no one; but go, show yourself to the priest and present the offering that Moses commanded, as a testimony to them."
KJV: And Jesus said unto the centurion, Go thy way; and as thou hast believed, so be it done unto thee. And his servant was healed in the selfsame hour.
NASB: And Jesus said to the centurion, "Go; it shall be done for you as you have believed." And the servant was healed that very moment.