(business, finance) The first offering to members of the public of stock in a company, normally followed by a listing of that stock on a stock exchange.

Wicked or sinful. / Morally objectionable.

The act of initiating, or the process of being initiated or introduced

A new member of an organization. / One who has been through a ceremony of initiation. / One who is oriented in and familiar with a topic or subject, especially one who is expert in it.

(transitive) To begin; to start. / To instruct in the rudiments or principles; to introduce. / To confer membership on; especially, to admit to a secret order with mysterious rites or ceremonies.

(obsolete) Unpractised; untried; new. / (obsolete) Begun; commenced; introduced to, or instructed in, the rudiments; newly admitted.

Chronologically first, early; of or pertaining to the beginning, cause or origin. / Spatially first, placed at the beginning, in the first position; especially said of the first letter of a word.

The first letter of a word or a name. / In plural, the first letter of each word of a person's full name considered as a unit.

(transitive) To sign one's initial(s), as an abbreviated signature.

Harmful in effect. / Unfriendly, hostile.