initiate

verb

ini·​ti·​ate i-ˈni-shē-ˌāt How to pronounce initiate (audio)
initiated; initiating
Synonyms of initiatenext

transitive verb

1
: to cause or facilitate the beginning of : set going
initiate a program of reform
enzymes that initiate fermentation
2
: to induct into membership by or as if by special rites
3
: to instruct in the rudiments or principles of something : introduce
initiator noun
Choose the Right Synonym for initiate

begin, commence, start, initiate, inaugurate, usher in mean to take the first step in a course, process, or operation.

begin, start, and commence are often interchangeable.

begin, opposed to end, is the most general.

begin a trip
began dancing

start, opposed to stop, applies especially to first actions, steps, or stages.

the work started slowly

commence can be more formal or bookish than begin or start.

commence firing
commenced a conversation

initiate implies taking a first step in a process or series that is to continue.

initiated diplomatic contacts

inaugurate suggests a beginning of some formality or notion of significance.

the discovery of penicillin inaugurated a new era in medicine

usher in is somewhat less weighty than inaugurate.

ushered in a period of economic decline

Examples of initiate in a Sentence

Doctors have initiated a series of tests to determine the cause of the problem. The company initiated judicial proceedings against them. The new recruits will be initiated tomorrow night. He was initiated into a secret society.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
They’ve also been known to more aggressively raise rents and initiate eviction proceedings than other landlords. Alex Schwartz, The Conversation, 29 May 2026 Bank of America initiates Select Water Solutions as buy The firm says the water company is best positioned. Michael Bloom, CNBC, 29 May 2026 In financial institutions, for instance, systems have long been built around the assumption that a human is initiating a transaction. Andrew Sever, Forbes.com, 28 May 2026 In this particular case, the deputy initiated Thomas’ traffic stop based upon his visual observation, the Palm Beach Sheriff’s Office said in a statement. Sofia Saric may 28, Miami Herald, 28 May 2026 See All Example Sentences for initiate

Word History

Etymology

Late Latin initiatus, past participle of initiare, from Latin, to induct, from initium

First Known Use

1533, in the meaning defined at sense 1

Time Traveler
The first known use of initiate was in 1533

Cite this Entry

“Initiate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/initiate. Accessed 9 Jun. 2026.

Kids Definition

initiate

1 of 2 verb
ini·​ti·​ate in-ˈish-ē-ˌāt How to pronounce initiate (audio)
initiated; initiating
1
: to set going : begin
initiate a new policy
2
: to instruct in the basics of something : introduce
initiate tourists into the local customs
3
: to admit into membership by special ceremonies
initiator noun
initiatory
-ˈish-(ē-)ə-ˌtōr-ē
-ˌtȯr-
adjective

initiate

2 of 2 noun
ini·​tiate in-ˈish-(ē-)ət How to pronounce initiate (audio)
1
: a person who is undergoing or has passed an initiation
2
: an expert in a special field
Etymology

from Latin initiatus, past participle of initiare "to begin" — related to commence

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