This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Conceived beforehand: formed ahead of time.

v. Simple past tense and past participle of preconceive.

adj. (of an idea or opinion) formed beforehand; especially without evidence or through prejudice

"The best discussions happen when you can improvise somewhat, working with whatever the students say -- no matter what they come up with -- to help them learn the material you need to cover (rather than forcing them to follow some kind of preconceived Q&A "script")."

preconceived    preconceives    preconceiving   

conceptualize    gestate    conceive    conceptualise   

preconceived    preconceiving   

anticipate   

Eve    Kleve    Neave    Rajiv    Steve    achieve    aggrieve    aleve    believe    bereave