Definition of accommodation

1:something supplied for convenience or to satisfy a need: as
a :  lodging, food, and services or traveling space and related services —usually used in plural <tourist accommodations on the boat>
<overnight accommodations>
b : a public conveyance (as a train) that stops at all or nearly all points
c :  loan
2:the act of accommodating :  the state of being accommodated: as
a :  the providing of what is needed or desired for convenience
b :  adaptation, adjustment
c :  a reconciliation of differences :  settlement
d :  the automatic adjustment of the eye for seeing at different distances effected chiefly by changes in the convexity of the crystalline lens; also :  the range over which such adjustment is possible

1.a room, group of rooms, or building in which someone may live or stay.
"the cost includes airfare and hotel accommodations"
synonyms: housing, lodging(s), living quarters, quarters, rooms; More
2.
a convenient arrangement; a settlement or compromise.
"management was seeking an accommodation with labor"

synonyms: arrangement, understanding, settlement, accord, deal, bargain, compromise