A trained reflex is a type of automatic response that has been learned through repetition and practice. Synonyms for this term might include conditioned reflex, acquired reflex, habitual response, or learned reaction. Essentially, any term that implies a reflex that has been developed through training or experience could be considered a synonym for trained reflex. Other possible synonyms might include automatic learned behavior, programmed response, or habitual reaction. No matter what term is used, the key idea is that the reflex has been ingrained through practice and training, allowing an individual to respond quickly and efficiently to specific stimuli.