"wert at beck and call" is a phrase commonly used to depict a situation where someone is at the constant disposal of another person. The term can have synonyms like "at one's beck and call," "at mercy," "under control," or "enslaved." However, the antonyms for "wert at beck and call" could be "freedom," "independence," "self-determination," "spontaneity," "self-government," and "self-rule." These words illustrate a state where an individual has autonomy, self-reliance, and decision-making power. They are free from any oppressive, controlling, or dominating influence and can act with spontaneity and self-confidence.