prerequisite
- adjective (adj)
Meaning: necessary
Synonyms:
called for
essential
expedient
imperative
important
indispensable
mandatory
necessitous
needful
obligatory
of the essence
required
requisite
vital
- noun (n)
Meaning: condition, necessity
Synonyms:
essential
imperative
must
need
postulate
precondition
qualification
requirement
requisite
sine qua non
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.