1 ) Gravitas – dignity

 A leader is expected to speak with gravitas.

 2) Erudite – showing great knowledge that is based on careful study.

 An Erudite Professor .

 3) Unfurl – unfold something

 The solider unfurl the national flag.

 4) Archetype – example of something

 Sachin is archetype of cricket.

 5) Palliative – ease a problem

 The government move in palliative.

 6) Atrophied – weakens

 His leg muscles were atrophied after surgery.

 7) covenant – promise to somebody especially special amount to some one

 All the profits were covenant to charity.

 8) Protagonist – main character in a play

 We were protagonist in our life.