Please

Concise Oxford English Dictionary © 2008 Oxford University Press:
please/pliːz/

▶verb

• 1 cause to feel happy and satisfied.

  ■ (often as adj. pleasing) give aesthetic pleasure to: pleasing surroundings.

• 2 (please oneself) take only one's own wishes into consideration in deciding how to act or proceed.

  ■ wish or desire to do something: feel free to wander around as you please.

  ■ (it pleases someone to do something) formal or dated it is someone's choice to do something.

  ■ (if you please) used in polite requests or to express indignation.

▶adverb used in polite requests or questions, or to agree to a request or accept an offer.

■ used to add urgency and emotion to a request.

– derivatives
pleasingly adverb.

– origin ME: from OFr. plaisir ‘to please’, from L. placere.