To rejuvenate a person, parts of the body, etc., is to make them feel young, healthy, or energetic again. To rejuvenate something abstract, such as an economy or career, is to give it new strength or energy.

// The hotel package includes a day at the spa to rejuvenate guests.

// Small businesses opening along the main street have rejuvenated the downtown area.

Someone described as urbane is notably polite, confident, or polished in manner. Urbane is also used to describe things that are fashionable and somewhat formal.

// "When did my willful, childish cousin turn into this urbane young artist greeting the guests at her opening reception?" wondered Elena.

// We were impressed by the hotel's urbane sophistication.

1. a process in which a substance reacts with oxygen to give heat and light

2. the act of burning something

3. a state of violent disturbance and excitement

Feisty describes someone who has or shows a lively aggressiveness, especially in being unafraid to fight or argue. In some regions of the US, feisty may also be used as a synonym of fidgety, quarrelsome, or frisky.

// Even her opponents admire her feisty spirit.

A menorah is a candelabra with seven or nine lights that is used in Jewish worship.

// At sundown on the first night of Hanukkah, Elliott's father helped him light the first candle on the menorah.

Delectation is a formal word for a feeling of delight or enjoyment. It can also be used to refer to the source of such feelings.

// The resort staff left a sampling of fine chocolate in our room for our delectation.

// For lovers of art and architecture, Paris offers visitors a peerless abundance of delectations.

In technical use, ambient describes things—such as air quality or light in a room—that exist or are present on all sides. Ambient is also used to describe electronic music that is quiet and relaxing, with melodies that repeat many times.

// The chemicals must be kept at an ambient temperature of 70°F.