reserve
//rɪˈzɜːrv//
Verb
to arrange for something to be kept for a particular person or purpose
I'd like to reserve a table for two at 7 p.m.
to keep something for a particular purpose or time
I'm reserving this money for my vacation.
to retain or hold back (a right, judgment, or opinion)
The judge reserved his decision until next week.
Noun
a supply of something kept for future use
The country maintains large reserves of oil for emergencies.
an area of land set aside for a special purpose, especially for wildlife protection
The national park includes a wildlife reserve where endangered species are protected.
a quality of being reserved or restrained in manner; self-restraint in speech or behavior
She spoke with a certain reserve, careful not to reveal too much about herself.
a military force kept back from action to be available in an emergency
The general kept a reserve of troops ready in case the enemy counterattacked.