As a burning device:
* Flambeau: (formal) A flaming torch, often used in ceremonies.
* Lamp: A general term for a device that provides light.
* Lantern: A portable light source, often with a protective covering.
* Firebrand: A burning piece of wood or other material.
* Light: Can refer to the flame itself or the general idea of illumination.
As a symbol or metaphor:
* Symbol: This is a general term for anything that represents something else.
* Emblem: A symbol that represents a particular organization or group.
* Beacon: A guiding light or inspiration.
* Flag: Can be used to symbolize a cause or movement.
* Standard: A symbol of authority or leadership.
In the context of passing something on:
* Pass on: This is a general term for giving something to someone else.
* Transmit: This implies sending something from one place to another.
* Hand down: This implies passing something down through generations.
* Inherit: This implies receiving something from a previous owner.
Other possible synonyms:
* Flare: A bright light, often used as a signal.
* Fire: The general concept of burning.
* Light: The general concept of illumination.
To find the best synonym, consider the specific context in which you are using the word "torch."