emotion and reactions

over the moon

exultant

ecstatic

to rejoice

jubilant

bliss: perfect happiness (often collocates with

 full of the joys of spring

feel on top of the world

 full of the joys of spring 

 thrilled to bits

 defuse [make a dangerous or tense situation calmer]

placate. [stop someone feeling angry]

conciliate [end a disagreement between two people or groups by acting in a friendly way towards both sides;

 appeasing end a disagreement by giving the other side an advantage that they are demanding 

(normally used in a disapproving way)

crave /have a craving for -want

thirst /have a thirst for knowledge. [feel very strongly that you want

to covet something means to  want to possess it very much

have a yearning for something,- it means that you want something that you do not have and, often, can never have