1. the natural purpose or role of something
2. a formal social event or ceremony
3. a mathematical relationship where each input has exactly one output
Usage: mathematics

1. to work or operate properly
2. to serve a particular purpose or role

Examples

• The heart’s main function is to pump blood throughout the body.
• We attended a formal function at the embassy last night.
• In math class, we learned about linear functions and their graphs.
• The software engineer wrote several functions to handle user input.
• My old computer still functions well despite its age.
• This room functions as both an office and a guest bedroom.
• The liver functions to filter toxins from the blood.
• The wedding function was held in a beautiful garden setting.