Placate (verb)

1. To soothe or pacify someone who is upset or angry by making concessions or offering reassurance.
2. To calm or pacify a situation or group by taking action or making concessions.

Origin:

The word placate comes from the latin word placatus, which means "to calm or pacify".

Examples:

1. He tried to placate her by bringing her flowers and apologizing.
2. She placated the angry customer by offering a refund.
3. The government tried to placate the protesters by meeting their demands.
4. He used kind words to placate the frightened child.
5. The CEO made a public statement to placate the shareholders' concerns.