Question

a sense of originality and a stepping stone to illuminate the path underline infinitive

Answer 1

'to illuminate'

Here's a trick to help you identify the infinitive phrase-

Infinitive phrases include infinitives. So, what is an infinitive? It’s a "to + verb" construct. When “to” is attached to a verb in this manner, it’s no longer working as a preposition. Rather, it becomes part of the verb.

Cheerio ✌️