ADJECTIVE (3)

1. favorable to life and growth;
- Example: "soil sufficiently hospitable for forest growth"
- Example: "a hospitable environment"

2. disposed to treat guests and strangers with cordiality and generosity;
- Example: "a good-natured and hospitable man"
- Example: "a hospitable act"
- Example: "hospitable invitations"

3. having an open mind;
- Example: "hospitable to new ideas"
- Example: "open to suggestions"

The Collaborative International Dictionary of English v.0.48:

Hospitable \Hos"pi*ta*ble\, a. [Cf. OF. hospitable, LL.
   hospitare to receive as a guest. See Host a landlord.]
   1. Receiving and entertaining strangers or guests with
      kindness and without reward; kind to strangers and guests;
      characterized by hospitality. --Shak.
      [1913 Webster]

   2. Proceeding from or indicating kindness and generosity to
      guests and strangers; as, hospitable rites.
      [1913 Webster]

            To where you taper cheers the vale
            With hospitable ray.                  --Goldsmith.
      [1913 Webster]

WordNet (r) 3.0 (2006):

hospitable
    adj 1: favorable to life and growth; "soil sufficiently
           hospitable for forest growth"; "a hospitable environment"
           [ant: inhospitable]
    2: disposed to treat guests and strangers with cordiality and
       generosity; "a good-natured and hospitable man"; "a
       hospitable act"; "hospitable invitations" [ant:
       inhospitable]
    3: having an open mind; "hospitable to new ideas"; "open to
       suggestions"