illuminateபோதிpōti(boodi)(6b tr (3 pn + dat))teach (spiritual truth, a mantra, etc.); give (spiritual or esoteric knowledge) to; clarify; elucidate; explain; make lucid
Usage:
அந்தக் குருதான் எனக்குப் போதித்தார்antak kurutāṉ eṉakkup pōtittār
anda guru daan enakku boodiccaar
That's the guru who brought me spiritual knowledge and illuminated me.