Learner's definition of ANTICIPATION
1 : a feeling of excitement about something that is going to happen
She had a feeling of great anticipation before her graduation ceremony.
He looked forward to the party with anticipation.
The actor's fans were trembling with/in anticipation [=excitement] when his limousine drove up.
2 : the act of preparing for something
— anticipatory/ænˈtɪsəpəˌtori/British/ænˌtɪsəˈpeɪtri, ænˈtɪsəpətri/adjective,formal