Assassinate (verb)

1. To murder (a political or public figure) by surprise attack, especially for political motives.
2. To deliberately kill (someone) in a sudden and usually violent way.
3. To carry out a sudden, violent attack on (someone) with the intention of killing them.

Origin:

From the italian word 'assassinare' meaning to murder, originally referring to a member of the assassins, a medieval nizari ismaili sect known for their political assassinations.

Examples:

1. The president was assassinated while giving a speech.
2. The political leader was assassinated in a public place.
3. The dictator was assassinated by a group of rebels.
4. The king was assassinated by his own brother.
5. The assassin assassinated the ambassador in a crowded street.