@JeremyECrawford Can spells such as Dimension Door be cast using a higher spell slot than their original spell level?

— Spencer (@206Siro) November 12, 2015

Any spell can be cast with a spell slot of its level or higher. See "Spell Slots" on p. 201 of the PH. #DnD https://t.co/1MzNbZeaCs

— Jeremy Crawford (@JeremyECrawford) November 12, 2015