Select the most appropriate synonym of the given word.
Vacillate

Correct option is B

The correct synonym of the given word is (b) Waver.
Vacillate: To keep changing one's opinion or decision back and forth; to be indecisive. (हिचकिचाना, डगमगाना)
Example: He vacillated for weeks before making a final decision.
Waver: To hesitate between choices or be uncertain (डगमगाना, संदेह करना)
Example: She wavered between staying home and going out.
Synonyms: fluctuate, oscillate, hesitate, waver.
Antonyms: decide, persist, determine, remain.
Meanings of all the other given options:
· (a) Augment: To increase or make larger (बढ़ाना)
· (c) Strengthen: To make strong or stronger (मजबूत करना)
· (d) Fortify: To reinforce or make secure (सुरक्षित करना)