buy into

verb

1. to agree with or accept as valid (an argument, theory, etc)

2. informal,  to get involved in (an argument, fight, etc)

Idioms and Phrases

Purchase a membership, a share, or an interest in something. For example, I'd love to buy into this partnership, but I can't afford it. [First half of 1600s]

Example Sentences

Everyone has bought into the idea that this is going to happen.

Read more on Barron's

You’ve had banks and nation states buying into bitcoin, and ETFs.

Read more on MarketWatch

Meanwhile, the crypto bros buying into this racket congratulate themselves on fighting for the little guy and sticking it to the Man.

Read more on MarketWatch

Since 2018, the United States has been tightening its laws to prevent its rivals from buying into its sensitive sectors – blocking investments in everything from semiconductors to telecommunications.

Read more on BBC

A potential buyer would be buying into this expertise.

Read more on BBC

Related Words

• accept 
• advocate 
• agree 
• authorize 
• back 
• certify 
• confirm 
• endorse 
• establish 
• license 
• okay 
• permit 
• push for www.thesaurus.com
• ratify 
• recommend 
• sanction 
• sign 
• support 
• uphold