Please correct me if I'm wrong on any of this thanks! From the words below supply the words that complete the sentences.

Capitulate, Caustic, Hierarchy, Iconoclast, Placid.

A. While he enjoyed the work, the rigid HIERARCHY in the company meant his advancement would be slow. He was, however, a company man, not an ICONOCLAST seeking to overthrow management as some of his critics had said. His friend's CAUSTIC comment last night, however, really made him stop and think.