The act of reserving, withholding or keeping back, An arrangement by which accommodation or transport arrangements are secured in advance, the act of reserving (a place or passage) or engaging the services of (a person or group)

Plural form of arrangement

A change effected by innovating; a change in customs; something new, and contrary to established customs, manners, or rites, the act of starting something for the first time; introducing something new, A novel change in practice or method; something new introduced into established arrangements of any kind; an unwonted or experimental variation

A change effected by innovating; a change in customs; something new, and contrary to established customs, manners, or rites, the act of starting something for the first time; introducing something new, A novel change in practice or method; something new introduced into established arrangements of any kind; an unwonted or experimental variation