Correct option is C
The correct synonym of the given word is (c)
Gauge.
Calibrate: To adjust or mark a measuring device so it gives accurate results. (मापने के यंत्र को ठीक करना या समायोजित करना)
Example: The engineer calibrated the equipment before the experiment.
Gauge: To measure or determine accurately. (मापना या आंकना)
Example: It is difficult to gauge his emotions.
Synonyms: measure, assess, standardize, adjust.
Antonyms: misjudge, guess, distort.
Other options:
· (a)
Gauze – Thin medical fabric (पट्टी)
· (b)
Assail – Attack violently (आक्रमण करना)
· (d)
Affront – Insult openly (अपमान करना)