The Clue Follow orders, as Siri and Alexa do
The Answer OBEY
The answer "OBEY" fits the clue because Siri and Alexa are virtual assistants that follow commands given by users. When you ask them to play music or set a reminder, they obey your requests. This shows that they are designed to respond and act according to your orders. Therefore, "OBEY" is the perfect word to describe what they do.