D defs.my
Entry 2 senses Webster, 1913

Businesslike

/(bĭz"nĕs*līk`)/ · Busi·ness·like · IPA /bˈɪznɪslˌaɪk/
01 a. In the manner of one transacting business wisely and by right methods; practical and efficient.
  1. 1.
    In the manner of one transacting business wisely and by right methods; practical and efficient.
  2. 2.
    serious and purposeful.