practice

noun:the actual application or use of an idea, belief, or method, as opposed to theories about it
- She put her knowledge into practice by opening her own clinic.
noun:repeated performance or exercise of an activity or skill in order to improve or maintain proficiency
- Daily piano practice is essential for improvement.
noun:the business of a professional person, such as a doctor or lawyer
- She joined a reputable law practice after graduation.
noun:the customary, habitual, or expected procedure or way of doing of something
- It is standard practice to shake hands when you meet someone.
verb:to perform (an activity) or exercise (a skill) repeatedly or regularly in order to improve or maintain one's proficiency
- You need to practice your speech several times before the presentation.
verb:to carry out or perform (a particular activity, method, or custom) habitually or regularly
- They practice meditation every morning.