different between conciliatory vs placatory

English

conciliatory (comparative more conciliatory, superlative most conciliatory)

Willing to conciliate, or to make concessions.
- 2013 June 18, Simon Romero, "Protests Widen as Brazilians Chide Leaders," New York Times (retrieved 21 June 2013):
  Shaken by the biggest challenge to their authority in years, Brazil’s leaders made conciliatory gestures on Tuesday to try to defuse the protests engulfing the nation’s cities.

placatory (comparative more placatory, superlative most placatory)

That placates; pacifying.
- 1980, Marguerite Johnson et al., "Trying to Tighten the Noose," Time, 27 Oct.:
  While placatory on the hostages, Raja'i dismissed any possibility of a ceasefire in the war.

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