What is "immortalising"

Usage examples of "immortalising".

I am a knight-errant, and not one of those whose names Fame has never thought of immortalising in her record, but of those who, in defiance and in spite of envy itself, and all the magicians that Persia, or Brahmans that India, or Gymnosophists that Ethiopia ever produced, will place their names in the temple of immortality, to serve as examples and patterns for ages to come, whereby knights-errant may see the footsteps in which they must tread if they would attain the summit and crowning point of honour in arms.