The phrasal verb 'buy into' is predominantly used in informal speech, though it is not uncommon in semi-formal contexts, particularly in business discussions and marketing literature. It generally means to accept, believe, or support an idea or concept, often involving a degree of enthusiasm or investment—sometimes literally, but more often figuratively. For example, one might say, "I can't buy into that theory," indicating skepticism or disbelief surrounding a particular idea. Conversely, in a corporate setting, a manager might encourage their team to "buy into" a new strategy, implying not only agreement but also active participation and commitment. This phrasal verb is also associated with consumer behavior, hinting at market buying trends or commitment to a product. 'Buy into' underscores a sense of alignment with a collective vision or thought process, making it versatile for a range of contexts from personal opinions to corporate alignments.
B2
UpperIntermediate
1. To agree with or accept an idea or philosophy.
The employees need to buy into the company's new vision to ensure its success.
She didn't initially buy into the whole healthy eating trend, but now she's a huge advocate.
2. To invest in or financially support something.
Many were hesitant to buy into the start-up because it seemed too risky.
He decided to buy into the franchise after researching its success rate.