Eeveeloutions:
Sylveon: just give eevee affection from pokemon amiè or pokemon refresh. And make sure it knows the move baby-doll eyes
Espeon: Level up eevee in the day
Umbreon: Level up eevee at night
Leafeon: Level up near a mossy stone
Glaceon: Frozen stone (?)
Flareon: Eevee + fire stone
Jolteon: Eevee + thunder stone
Vaporeon: Eevee + water stone