welcome
Pronunciation: /ˈwɛlkəm/
noun
verb
- greet (someone arriving) in a polite or friendly way: hotels should welcome guests in their own language (as adjective welcoming) a welcoming smile
- be glad to entertain (someone) or receive (something): we welcome any comments
- react with pleasure or approval to (an event or development): the bank’s decision to cut its rates was widely welcomed
adjective

Phrases
-
make someone welcome
- receive and treat someone hospitably: thank you for the way you made me welcome when I arrived
-
outstay (or overstay) one's welcome
- stay as a visitor longer than one is wanted: he makes you feel you’ve outstayed your welcome before you’ve even sat down
-
you are welcome
- used as a polite response to thanks: ‘Thank you for your help.’ ‘You’re welcome.’

Origin:
Old English wilcuma 'a person whose coming is pleasing', wilcumian (verb), from wil- 'desire, pleasure' + cuman 'come'. The first element was later changed to wel- 'well', influenced by Old French bien venu or Old Norse velkominn