Correct Answer: Felicilate

Solution : The first option is the incorrectly spelled word.

The correct spelling is felicitate which means to congratulate or express happiness for someone's achievements.

The meanings of the other options are as follows:

• Coterminous: Sharing a common boundary; coextensive.

• Ambient: Relating to the immediate surroundings of something; creating a certain atmosphere.

• Announce: To make known or officially declare something.