develop

/dɪˈvɛləp/
verb
  1. To grow or cause something to grow or become more advanced, mature, or complex.
    • Children develop social skills by playing with others.
    • The seed will develop into a large tree over many years.
    • The company plans to develop a new smartphone app.
  2. To start to have something, such as a disease, problem, or feeling.
    • He developed a cough after walking in the rain.
    • The city developed a serious traffic problem.
    • She developed an interest in photography at a young age.
  3. To create or design something new, such as a product, idea, or system.
    • The team developed a plan to reduce waste.
    • Scientists are working to develop a vaccine for the virus.
    • They developed a new method for teaching math.
  4. To treat a photographic film with chemicals so that the image becomes visible.
    • I need to take this film to the store to develop it.
    • He learned how to develop black-and-white photos in a darkroom.
    • The photographer developed the pictures the same day.