pre-condition

n = prerequisite.

prance, prang, prank, prankster, prate, prattle, prattler, prawn, pray, prayer, prayer-book, prayer-mat (also `prayer-rug), prayer-meeting, prayer-wheel, praying mantis, pre-, pre-arrange, pre-arranged, pre-arrangement, pre-cast, pre-conditioning, pre-eminence, pre-eminent, pre-eminently, pre-empt, pre-emption, pre-emptive, pre-exist, pre-existence, pre-existent, pre-heat, pre-natal, pre-ordain, pre-package, Pre-Raphaelite, pre-record, pre-recorded, pre-school, pre-set, pre-shrunk,