The word appropriate means to take or use something for a particular purpose, especially when it is suitable or right. It can also mean to adapt or adjust to a situation or circumstance by taking action that is fitting or proper.
Usage examples
Choose appropriate colors for different purposes - use bright and vibrant colors for a children's party, while opting for calm and neutral shades for a relaxation room.
Use appropriate language for different audiences - adjust your vocabulary and level of formality based on whether you're speaking to children, peers, or superiors.
Utilize appropriate tools for specific tasks - use a wrench to tighten a bolt and a screwdriver to drive screws, rather than using the wrong tool for the job.