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light reflex
light saber
light-sensitive
light shelf
light show
light-struck
light stylus
light truck
light up
light water
light welterweight
light-year
lighten (1)
lighten (2)
lighten up
lightening
lighter (1)
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light up

light up


verb 
Definition:
 
1. transitive and intransitive verb light cigarette or pipe: to light something such as a cigarette, cigar, or pipe and begin smoking it

2. transitive verb illuminate something: to direct light on somebody or something

3. transitive and intransitive verb make or become cheerful: to become animated or cheerful, or cause something or somebody to become animated or cheerful

4. intransitive verb begin shining: to start to shine

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