halo effect

American  

noun

1. a predisposition to admire all of a person's actions, work, etc., because of an estimable quality or action in the past.

2. Psychology. a potential inaccuracy in observation, as of a person, due to overgeneralization from a limited amount of evidence or the influence of preconceived beliefs or a priori hypotheses.

   The assumption that he is an authority on the subject is a halo effect of his Ivy League manner.

3. any desirable side effect.

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halo effect British  

noun

1. See horns and halo effect

2. the beneficial effect on sales of a company's range of products produced by the popularity or high profile of one particular product

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Etymology

Origin of halo effect

First recorded in 1925–30

Example Sentences

That’s likely a reflection of the years in which unvaccinated individuals were protected by the halo effect of others living around them who were vaccinated.

From MarketWatch

Rising gold prices may also be having a halo effect on jewelry.

From The Wall Street Journal

“That level of care is what will create a halo effect for our entire brand.”

From MarketWatch

“There is a halo effect that westerns are seeing internationally,” Cohen said.

From Los Angeles Times

He said the platform had a "positive impact on the high street at large" as a "halo effect" often touched businesses who found that products trending on TikTok then became popular in high street stores.

From BBC