dīkṣā́ f. preparation or consecration for a religious ceremony, undertaking religious observances for a partic. purpose and the observances themselves AV. VS. Br. ŚrS. &c
• dedication, initiation (personified as the wife of Soma RV. 25, 26, of Rudra Ugra or Rudra Vāmadeva Pur.)
• any serious preparation (as for battle) MBh. Hariv. Kāv.
• self-devotion to a person or god, complete resignation or restriction to, exclusive occupation with (comp
• cf viraha-, śāka-, śṛṅgāra.)

Sanskrit-English Dictionary, by M. Monier William