(1):

(n.) Beginning.

(2):

(v. i.) To have or commence an independent or first existence; to take rise; to commence.

(3):

(v. i.) To do the first act or the first part of an action; to enter upon or commence something new, as a new form or state of being, or course of action; to take the first step; to start.

(4):

(v. t.) To enter on; to commence.

(5):

(v. t.) To trace or lay the foundation of; to make or place a beginning of.