to set (something) on fire
to excite or arouse passion or strong feeling in (a person or group)
to make (e.g. an emotion or dispute) more heated or violent
to cause (something) to redden or grow hot
to cause inflammation in (body tissue)
to burst into flame
to become excited or angered
to become affected with inflammation
inflamer noun
[Middle English enflamen via French from Latin inflammare, from in-2 + flamma flame1]