placidity

Muteness is a related term of placidity.

As nouns the difference between muteness and placidity

is that muteness is the characteristic of being mute while placidity is the state of being placid; peacefulness.

As nouns the difference between aplomb and placidity

is that aplomb is aplomb while placidity is the state of being placid; peacefulness.

As nouns the difference between placidity and complacency

is that placidity is the state of being placid; peacefulness while complacency is a feeling of contented self-satisfaction, especially when unaware of upcoming trouble.

As nouns the difference between placidity and piece

is that placidity is the state of being placid; peacefulness while piece is room (in a house, etc).

As nouns the difference between turgidity and placidity

is that turgidity is the state or quality of being turgid while placidity is the state of being placid; peacefulness.

As nouns the difference between equanimity and placidity

is that equanimity is the state of being calm, stable and composed, especially under stress while placidity is the state of being placid; peacefulness.

As nouns the difference between tranquillity and placidity

is that tranquillity is the state of being tranquil while placidity is the state of being placid; peacefulness.

As nouns the difference between still and placidity

is that still is a period of calm or silence while placidity is the state of being placid; peacefulness.

As an adjective still

is not moving; calm.

As an adverb still

is up to a time, as in the preceding time.

As a verb still

is to calm down, to quiet.

Placidity is a related term of ease.

As nouns the difference between placidity and ease

is that placidity is the state of being placid; peacefulness while ease is the state of being comfortable or free from stress.

As a verb ease is

to free (something) from pain, worry, agitation, etc.

Stillness is a related term of placidity.

As nouns the difference between stillness and placidity

is that stillness is the quality or state of being still; quietness; silence; calmness; inactivity while placidity is the state of being placid; peacefulness.