tranquil

As an adverb calmly

is in a calm manner.

As an adjective tranquil is

free from emotional or mental disturbance.

As an adjective tranquil

is free from emotional or mental disturbance.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As an adjective tranquil

is free from emotional or mental disturbance.

As a noun poise is

(obsolete) weight; an amount of weight, the amount something weighs.

As a verb poise is

(obsolete) to hang in equilibrium; to be balanced or suspended; hence, to be in suspense or doubt.

As an adjective tranquil

is free from emotional or mental disturbance.

As a noun poi is

(engineering) point of interest.

As a verb quit

is .

As an adjective tranquil is

free from emotional or mental disturbance.

As a proper noun harmony

is or harmony can be (fandom slang) the ship of characters.

As an adjective tranquil is

free from emotional or mental disturbance.

As adjectives the difference between relaxed and tranquil

is that relaxed is having an easy-going mood or temperament while tranquil is free from emotional or mental disturbance.

As a verb relaxed

is (relax).

As adjectives the difference between tranquil and energetic

is that tranquil is free from emotional or mental disturbance while energetic is possessing, exerting, or displaying energy.

As a verb soothe

is (obsolete) to prove true; verify; confirm as true.

As an adjective tranquil is

free from emotional or mental disturbance.

As adjectives the difference between tranquil and cosy

is that tranquil is free from emotional or mental disturbance while cosy is affording comfort and warmth; snug; social.

As a noun cosy is

a padded or knit covering put on an item to keep it warm, especially a teapot or egg.

As a verb cosy is

to become snug and comfortable.