verb
1.
to be suitable, appropriate, or advantageous or to be in a proper or fitting place or situation
the boxes belong in the attic
Synonyms: fit, go, set
Related Word: become, befit, suit; accord, agree, chime, harmonize; correspond, match, tally
Idioms: have one's place
2.
to be the property of (a person or thing)
the books belong to the library
Synonyms: appertain, pertain, vest
3.
to be an attribute, part, adjunct, or function (of a person or thing)
good humor and wit belong to his personality
Synonyms: indwell, inhere
Idioms: run in one's blood ( or family)