Student or Learner
What does 'it would get rid of her' could mean in here?
More context: Colonel Luscombe was to have a little gossip with a beautiful unknown lady.
He said to himself:
'Tact! A bit obvious, perhaps, but anyway it would get rid of her for a bit. Though what he was going to gossip about to Elvira, he really did not know.'
He is trying to persuade another person to go away for a little time so he can talk to a third person.