Received with pleasure and hospitality into one's company or home: a welcome guest.
Giving pleasure or satisfaction; agreeable or gratifying: a welcome respite from hard work.
Cordially or willingly permitted or invited: You are welcome to join us.
Used in the expression you're welcome to acknowledge an expression of gratitude.
n.
A cordial greeting or hospitable reception given to an arriving person.
A reception upon arrival: gave the stranger an unfriendly welcome.
The state of being welcome: Don't overstay your welcome.
tr.v.
wel·comed, wel·com·ing, wel·comes
To greet, receive, or entertain (another or others) cordially or hospitably.
To receive or accept gladly: would welcome a little privacy.
interj. Used to greet cordially a visitor or recent arrival.
[Middle English, alteration (influenced by wel, well) of Old English wilcuma, welcome guest, welcome; see gwā- in Indo-European roots.] wel'come·ly adv., wel'come·ness n., wel'com·er n.
(wěl'kəm) 