TERRORISE
terrify, terrorize, terrorise
(verb) fill with terror; frighten greatly
terrorize, terrorise
(verb) coerce by violence or with threats
Source: WordNet® 3.1
Etymology
Verb
terrorise (third-person singular simple present terrorises, present participle terrorising, simple past and past participle terrorised) (British spelling, transitive)
To inflict someone with terror; to terrify.
To coerce (someone) by using threats or violence.
Synonyms
• (fill with terror) petrify, terrify
• (coerce by threats or violence) bully, hector
Anagrams
• roisterer
Source: Wiktionary