The term 'set on fire' can be described by a variety of words, all of which involve the act of igniting something. The crossword solutions for this term include 'BURN' (4 letters), 'LIT' (3 letters), 'IGNITE' (6 letters), 'IGNITED' (7 letters), 'KINDLE' (6 letters), 'TORCH' (5 letters), and 'ENKINDLE' (8 letters). All of these words refer to the act of lighting something on fire, either directly or indirectly. 'BURN' is the most basic term, referring to the act of setting something on fire. 'LIT' is the past tense of 'LIGHT, ' and refers to something that has already been set on fire. 'IGNITE' and 'IGNITED' are similar to 'LIGHT' and 'LIT, ' but imply a more intense flame. 'KINDLE' and 'ENKINDLE' both refer to the act of starting a fire, while 'TORCH' and 'INFLAME' both refer to the act of intensifying an existing fire.