1. to complete or carry out (a task, duty, or promise)
Usage: British spelling; American spelling is ‘fulfill’
2. to satisfy or meet (a requirement, condition, or need)
Usage: British spelling; American spelling is ‘fulfill’
3. to achieve or realize (a goal, ambition, or potential)
Usage: British spelling; American spelling is ‘fulfill’

Examples

• She worked hard to fulfil her promise to her parents.
• The new employee must fulfil all training requirements.
• This course will fulfil your science credit.
• He hopes to fulfil his dream of becoming a doctor.
• The company failed to fulfil its contract obligations.
• The scholarship helped her fulfil her academic potential.
• We need to fulfil the customer’s special request.