trained
v.v. taught a person or an animal how to do a specific job or skill. It usually involves practice and following instructions over a period of time.
v. the past tense and past participle of 'train', meaning to teach a particular skill or type of behaviour through sustained practice and instruction.
She trained her dog to sit and stay.
The company trained all new employees on the safety protocols before they started working on the factory floor.
Having trained as a classical pianist from a young age, she found the transition to jazz both technically demanding and creatively liberating.
Often used in the passive voice ('was trained') or as a participle modifying a noun ('a trained professional').
He is training for be a doctorHe is training to be a doctorThe verb 'train' is followed by a to-infinitive when expressing the purpose or goal of the instruction.