1. to legally take another person’s child into your family and raise as your own
2. to choose and begin to use or follow something
3. to formally approve or accept something
Usage: often used in formal or official contexts

Examples

• The couple decided to adopt a baby from overseas.
• She was adopted when she was three years old.
• The company adopted a new policy on remote work.
• Many countries have adopted stricter environmental regulations.
• The school board voted to adopt the new curriculum.
• He adopted a more positive attitude after the training.
• The committee will adopt the proposal next week.