If we are talking about the airplane terminology, to to take off means to leave the ground, to start flying. So, the opposite of that verb would be to land.
At first, the dilemma that the disguised Odysseus represents to Telemachus was the dilemma of going home. This was when the type that Odysseus home has been taken away from him and he had to come back to Ithaca for his wife Penelope.
