Unless it's picked up some great Fairy move as a level up move this generation, just evolve it as soon as you can. All of it's best moves you get form the Move Relearner. --- S*** I have to stop doing that," Gheb said, as he lay back down and died again. - Forgotten Love Chiefs are going to win the Super Bowl
You can find someone who has one in their Friend Safari, or whenever you want (during any point in the adventure) go to your GTS, type in its name manually and find a slew of results. That, or put up any Pokemon at the GTS, ask for "Togepi" and then come back some time later. You will get it these ways.