For changing position or direction:
* Turned: "She switched lanes, turning onto the highway."
* Shifted: "He switched gears, shifting into second."
* Moved: "The dog switched its position, moving closer to the fire."
* Changed: "He switched his mind, changing his vote."
For exchanging or replacing:
* Replaced: "She switched the old lightbulb for a new one."
* Exchanged: "He switched his old car for a newer model."
* Substituted: "They switched the flour for cornstarch in the recipe."
For changing from one thing to another:
* Transformed: "The caterpillar switched into a butterfly."
* Converted: "He switched religions, converting to Buddhism."
* Altered: "She switched her hairstyle, altering her look."
For connecting or disconnecting electronically:
* Turned on/off: "He switched the TV on, turning off the lights."
* Plugged in/unplugged: "She switched the laptop on, plugging it into the power outlet."
For changing allegiances:
* Defected: "He switched sides, defecting to the enemy."
* Betrayed: "She switched loyalties, betraying her friends."
Other options:
* Interchanged: "The two sisters switched their outfits, interchanging their styles."
* Flipped: "He switched the light switch, flipping it on."
* Rotated: "She switched her phone to portrait mode, rotating the screen."
Remember to choose the synonym that best fits the specific meaning of "switched" in your sentence.