Definition of non-retaliation in US English:

non-retaliation

noun

  • The principle or practice of not retaliating to insult, injury, or attack.

Origin

Mid 19th century; earliest use found in William Scoresby (1789–1857), Arctic scientist and Church of England clergyman. From non- + retaliation.

Pronunciation

non-retaliation

/ˌnɒnrɪˌtalɪˈeɪʃn/