Kangaroo word: illuminated
Joey word: lit
Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
The letters L, I, and T found within the kangaroo word “illuminated” arrange in the listed order to complete the joey word “lit”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: add light.