spur of the moment

noun 0.662

spontaneous combustion

noun 0.632

automaticity

noun 0.630

impulsiveness

noun 0.626

impulsivity

noun 0.623

randomness

noun 0.609

automatism

noun 0.608

voluntariness

noun 0.607

involuntariness

noun 0.605

improvisation

noun 0.598

capriciousness

noun 0.589

stochasticity

noun 0.583

unpredictability

noun 0.583

suddenness

noun 0.577

impromptu

noun 0.576

naturalness

noun 0.573

spontaneous abortion

noun 0.572

impetuosity

noun 0.570

impetuousness

noun 0.568

spontaneous pneumothorax

noun 0.566

autonomy

noun 0.562

creativity

noun 0.553

serendipity

noun 0.553

impulse

noun 0.549

offhandedness

noun 0.544

fortuitousness

noun 0.542

proactiveness

noun 0.541

naturality

noun 0.540

unexpectedness

noun 0.540

voluntarism

noun 0.538

dynamism

noun 0.538

playfulness

noun 0.536

independence

noun 0.535

opportunism

noun 0.534

haphazardness

noun 0.534

intuitiveness

noun 0.533

promptitude

noun 0.533

casualness

noun 0.533

volition

noun 0.533

proactivity

noun 0.530

carefreeness

noun 0.529

independency

noun 0.528

nondeterminism

noun 0.528

openness

noun 0.527

instantaneity

noun 0.527

happenstance

noun 0.525

propensity

noun 0.525

flexibility

noun 0.523

initiative

noun 0.523

impulsive

noun 0.523

spasticity

noun 0.522

fortuity

noun 0.522

unpredictable

noun 0.521

synchronicity

noun 0.521

free spirit

noun 0.521

explosibility

noun 0.521

instinct

noun 0.520

excitability

noun 0.520

self-determination

noun 0.520

instantaneousness

noun 0.520

precipitancy

noun 0.518

willingness

noun 0.518

quickness

noun 0.517

volatility

noun 0.515

freeness

noun 0.514

indeterminism

noun 0.513

explosiveness

noun 0.512

spottiness

noun 0.512

freedom

noun 0.512

arbitrariness

noun 0.511

intuition

noun 0.511

compulsivity

noun 0.511

whimsy

noun 0.508

promptness

noun 0.508

chanciness

noun 0.508

spree

noun 0.508

forwardness

noun 0.507

improv

noun 0.507

free thought

noun 0.506

dynamicity

noun 0.506

accidentality

noun 0.506

whimsicality

noun 0.505

disinhibition

noun 0.504

responsiveness

noun 0.504

spiritedness

noun 0.503

voluntary

noun 0.502

immediacy

noun 0.502

friskiness

noun 0.502

informality

noun 0.501

entrepreneurship

noun 0.501

simultaneity

noun 0.500

lability

noun 0.500