To make or harden something akin to steel, often used metaphorically to imply strengthening or fortifying.

To reinforce or strengthen against emotional or mental pressures.

मानसिक या भावनात्मक दबावों के खिलाफ मजबूत करना

English Usage: He needed to steelify his mind before the big presentation.

Hindi Usage: उसे बड़ी प्रस्तुति से पहले अपने मन को मजबूत करना पड़ा।