However, you could use prefixes and suffixes to modify the meaning of "illuminate" in different ways:
Prefixes:
* Re-illuminate: To illuminate again or anew.
* Pre-illuminate: To illuminate before something else.
* Dis-illuminate: To remove illumination, to darken.
* Over-illuminate: To illuminate excessively.
Suffixes:
* Illumination: The act of illuminating or the state of being illuminated.
* Illuminator: A person or thing that illuminates.
* Illuminative: Having the quality of illuminating or enlightening.
Keep in mind that these are just examples, and the specific meaning of a word with a prefix or suffix will depend on the context.