"Light" as in "not heavy" is an adjective. Example: The student decided to take the light book instead of the heavy book.
"Light" as in "to light a fire" is a verb.
a verb form is dignify
The verb form of the word hard is harden.
The verb form is evolve (evolves, evolving, evolved).
Conclude is the verb form; conclude, concludes, concluding, concluded. The noun form of the word is conclusion.
If your led stands for light emitting diode (LED) then I think answer is LEDs .
The verb form of the word "nation" is "nationalize."
to modernize
The verb form of the word "inquiry" is "inquire."
The word "rain" is a verb in its base form.
The verb form is enthuse.
The word synchronized is a verb. It is the past tense form of the verb synchronize.
There is no verb form for the word "animal." You can't "animal" something.