halcyonian

As a noun terms

is .

As an adjective halcyonian is

halcyon; calm.

As adjectives the difference between calm and halcyonian

is that calm is (of a person) peaceful, quiet, especially free from anger and anxiety while halcyonian is halcyon; calm.

As a noun calm

is (in a person) the state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion.

As a verb calm

is to make calm.

As a proper noun halcyon

is .

As an adjective halcyonian is

halcyon; calm.