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Synonyms

conception

American  
[kuhn-sep-shuhn] / kənˈsɛp ʃən /

noun

  1. the act of conceiving; the state of being conceived.

  2. fertilization; inception of pregnancy.

  3. a notion; concept.

    She has some odd conceptions about life.

  4. something that is conceived.

    That machine is the conception of a genius.

  5. origination; beginning.

    The organization has been beset by problems from its conception.

  6. a design; plan.

  7. a sketch of something not actually existing.

    an artist's conception of ancient Athens.

  8. the act or power of forming notions, ideas, or concepts.


conception British  
/ kənˈsɛpʃən /

noun

  1. something conceived; notion, idea, design, or plan

  2. the description under which someone considers something

    her conception of freedom is wrong

  3. the fertilization of an ovum by a sperm in the Fallopian tube followed by implantation in the womb

  4. origin or beginning

    from its conception the plan was a failure

  5. the act or power of forming notions; invention

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

conception Scientific  
/ kən-sĕpshən /
  1. The formation of a zygote resulting from the union of a sperm and egg cell; fertilization.


conception Cultural  
  1. Fertilization; the union of the sperm and ovum to form a zygote. (See reproductive systems.)


Usage

What are other ways to say conception? A conception is a notion or idea that seems complete, individual, or somewhat intricate. Do you know when to use conception, thought, idea, and notion? Learn more on Thesaurus.com. 

Other Word Forms

Etymology

Origin of conception

First recorded in 1300–50; Middle English concepcion from Latin conceptiōn- (stem of conceptiō ), equivalent to Latin concept- ( see concept) + -iōn- -ion

Explanation

Conception means any idea or concept, or a sum of ideas and concepts. Your conception for designing the little girl's room with a princess theme was a hit. Her evil stepsisters are jealous. The noun conception can also mean a beginning — of anything in general, or of a pregnancy, specifically. August 15 marked the anniversary of the conception of your design business. Your parents told me their youngest child has been a holy terror since conception. So, do you get along with your older siblings?

Keep Reading on Vocabulary.com

Vocabulary lists containing conception

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Wind gusts north of Point Conception in Santa Barbara County could come with risks such as downed trees or powerlines.

From Los Angeles Times • Apr. 11, 2026

A prayer service took place on Sunday evening at the Church of the Immaculate Conception in the village.

From BBC • Jul. 28, 2025

A prayer service also took place on Sunday evening at the Church of the Immaculate Conception in Barefield, County Clare.

From BBC • Jul. 28, 2025

Starting Saturday, temperatures across California are expected to begin to trend downward, with the largest drop in temperatures occurring in Southern California south of Point Conception, forecasters say.

From Los Angeles Times • May 30, 2025

During the sermon, the priest discussed the miracle of Immaculate Conception and the Virgin Birth.

From "The Glass Castle" by Jeannette Walls