to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
2.
to give information to the public about; announce publicly in a newspaper, on radio or television, etc.: to advertise a reward.
3.
to call attention to, in a boastful or ostentatious manner: Stop advertising yourself!
4.
Obsolete. to give notice, advice, or information to; inform: I advertised him of my intention.
5.
Obsolete. to admonish; warn.
–verb (used without object)
6.
to ask for something by placing a notice in a newspaper, over radio or television, etc.: to advertise for a house to rent.
7.
to offer goods for sale or rent, solicit funds, etc., by means of advertisements: It pays to advertise.
8.
Cards.
a.
Poker. to bluff so as to make the bluff obvious.
b.
Rummy. to discard a card in order to induce an opponent to discard one of the same suit or denomination.
Origin: 1400–50; late ME advertisen < MF avertiss-, long s. of avertir < VL *advertire, L advertere to advert1; the expected ME *advertishen prob. conformed to advertisementor the suffix -ize
ad·ver·tise (ād'vər-tīz') v.
ad·ver·tised, ad·ver·tis·ing, ad·ver·tis·es
v.
tr.
To make public announcement of, especially to proclaim the qualities or advantages of (a product or business) so as to increase sales. See Synonyms at announce.
To make known; call attention to: advertised my intention to resign.
To warn or notify: "This event advertises me that there is such a fact as death"(Henry David Thoreau).
v.
intr.
To call the attention of the public to a product or business.
To inquire or seek in a public notice, as in a newspaper: advertise for an apartment.
[Middle English advertisen, to notify, from Old French advertir, advertiss-, to notice; see advert1.] ad'ver·tis'er n.
[ad-ver-tahyz, ad-ver-tahyz] 
verb, -tised, -tis⋅ing.