Etymology
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initiation (n.)

1580s, from French initiation or directly from Latin initiationem (nominative initiatio) "participation in secret rites," noun of action from past-participle stem of initiare "originate, initiate," from initium "a beginning" (see initial (adj.)).

Entries linking to initiation

initial (adj.)

1520s, "of or pertaining to a beginning," from French initial or directly from Latin initialis "initial, incipient, of the beginning," from initium "a beginning, a commencement; an entrance, a going in," noun use of neuter past participle of inire "to go into, enter upon, begin," from in- "into, in" (from PIE root *en "in") + ire "to go" (from PIE root *ei- "to go"). Related: Initially.

*ei- 
Proto-Indo-European root meaning "to go."

It forms all or part of: Abitur; adit; ambience; ambient; ambit; ambition; ambitious; andante; anion; cation; circuit; coitus; commence; commencement; concomitant; constable; count (n.1) title of nobility; county; dysprosium; errant; exit; initial; initiate; initiation; introit; ion; issue; itinerant; itinerary; janitor; January; Janus; Jena; Mahayana; obiter; obituary; perish; praetor; Praetorian; preterite; sedition; sudden; trance; transient; transit; transitive; viscount.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit e'ti "goes," imas "we go," ayanam "a going, way;" Avestan ae'iti "goes," Old Persian aitiy "goes;" Greek ienai "to go;" Latin ire "to go," iter "a way;" Old Irish ethaim "I go," Irish bothar "a road" (from *bou-itro- "cows' way"), Gaulish eimu "we go;" Lithuanian eiti "to go;" Old Church Slavonic iti "go;" Bulgarian ida "I go;" Russian idti "to go;" Gothic iddja "went."
initiate (v.)
c. 1600, "introduce to some practice or system," also "begin, set going," from Late Latin initiatus, past participle of initiare "to begin, originate," in classical Latin only in the sense "to instruct in mysteries or sacred knowledge." This is from initium "a beginning; an entrance," also in plural initia "constituent parts; sacred mysteries," a noun use of the neuter past participle of inire "to go into, enter upon, begin," from in- "into, in" (from PIE root *en "in") + ire "to go" (from PIE root *ei- "to go").

In some senses the English word is a back-formation from initiation. Related: Initiated; initiates; initiating; initiator.

updated on December 07, 2020

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Definitions of initiation from WordNet

initiation (n.)
a formal entry into an organization or position or office;
his initiation into the club
Synonyms: induction / installation
initiation (n.)
the act of starting something for the first time; introducing something new;
she looked forward to her initiation as an adult
Synonyms: founding / foundation / institution / origination / creation / innovation / introduction / instauration
initiation (n.)
wisdom as evidenced by the possession of knowledge;
his dullness was due to lack of initiation
Synonyms: knowledgeability / knowledgeableness
initiation (n.)
an act that sets in motion some course of events;
Synonyms: trigger / induction
From wordnet.princeton.edu, not affiliated with etymonline.

Dictionary entries near initiation

initialese

initialism

initialize

initiand

initiate

initiation

initiative

initiatory

in-itselfness

inject

injection

© 2001-2022 Douglas Harper