Adjective

(en adjective)

Spontaneous, without requiring conscious thought.

* {{quote-magazine, date=2012-01

, author=Steven Sloman , title=The Battle Between Intuition and Deliberation , volume=100, issue=1, page=74 , magazine= citation , passage=Libertarian paternalism is the view that, because the way options are presented to citizens affects what they choose, society should present options in a way that “nudges” our intuitive selves to make choices that are more consistent with what our more deliberative selves would have chosen if they were in control.}}

* 2013 February 16, Laurie Goodstein, “ Cardinals Size Up Potential Candidates for New Pope”, NYTimes.com :

These impressions [of potential papal candidates], collected from interviews with a variety of church officials and experts, may influence the very intuitive , often unpredictable process the cardinals will use to decide who should lead the world’s largest church.

The intuitive response turned out to be correct.

Easily understood or grasped by intuition.

Designing software with an intuitive interface can be difficult.

Having a marked degree of intuition.

Adjective

(en adjective)

Self-generated; happening without any apparent external cause.

He made a spontaneous offer of help.

Done by one's own free choice, or without planning.

proceeding from natural feeling or native tendency without external or conscious constraint

arising from a momentary impulse

controlled and directed internally; self-active; spontaneous movement characteristic of living things

produced without being planted or without human labor]]; [[endemic, indigenous

a spontaneous growth of wood

Random.

Sudden, without warning.