Dictionary.com
Thesaurus.com
Synonyms

buy into

British  

verb

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

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

"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

buy into Idioms  
  1. 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

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

Still, I found myself listening attentively to the warning Miller was issuing about buying into the salesman ethos.

From Los Angeles Times

“The whole gluten-free thing. The restaurant industry just made it up so they could put another more expensive option on their menu. It’s crazy how many idiots buy into it.”

From Literature

“Whatever that role is that we have to adjust to throughout the season, I think, we really bought into that.”

From Los Angeles Times

Around 16,000 fans packed into the Manchester arena bought into the Itauma buzz, greeting him with a warm roar as he was walked to the ring by British rapper Meekz.

From BBC

And there is no doubt the players have all bought into the ideals and instructions, quick to point out after the Bosnia game that they believe there is more to come.

From BBC