anticipatory
🇺🇸
/ænˈtɪsəpətɔːri/
🇬🇧
/ænˌtɪsɪˈpeɪtəri/
done in advance to be ready for something that might happen
She made an anticipatory move to avoid the incoming ball.
她採取了一個預防性的動作來躲避飛來的球。