preliminary (n.)
- advance
- antecedent
- anterior
- arrangement
- avant-garde
- beginning
- breakthrough
- briefing
- chief
- debut
- embarkation
- embarkment
- equipment
- exordium
- familiarization
- first
- fixing
- floating
- flotation
- foreword
- foundation
- frontispiece
- groundwork
- inaugural
- inauguration
- induction
- initial
- initiation
- innovation
- installation
- installment
- introduction
- launching
- leading
- leap
- makeready
- manufacture
- mobilization
- opener
- opening
- original
- overture
- planning
- postulate
- preamble
- prearrangement
- precedence
- precedent
- preface
- prefix
- prelude
- premise
- prep
- preparation
- prerequisite
- presupposition
- prior
- processing
- prodrome
- prolegomenon
- prolepsis
- prologue
- propaedeutic
- provision
- readying
- spadework
- training
- treatment
- trial
- tryout
- unveiling
- verse
- voluntary
- warm-up
preliminary (adj.)
- advance
- advanced
- antecedent
- anterior
- avant-garde
- beginning
- chief
- exploratory
- first
- fixing
- floating
- foremost
- inaugural
- initial
- initiatory
- introductory
- leading
- opening
- original
- precedent
- preceding
- precursory
- prefatory
- premonitory
- preparatory
- prerequisite
- prevenient
- prior
- prodromal
- prodromic
- propaedeutic
- training
- trial
- verse
- voluntary
