NATURAL

from nātus, the perfect participle of nāscor (“be born”, verb).

natural (comparative more natural, superlative most natural)

Existing in nature.
1. Existing in the nature of a person or thing; innate, not acquired or learned. [from 14th c.] quotations ▼
2. Normally associated with a particular person or thing; inherently related to the nature of a thing or creature. [from 14th c.]

The species will be under threat if its natural habitat is destroyed.

1. As expected; reasonable, normal; naturally arising from the given circumstances. [from 14th c.] quotations ▼

It's natural for business to be slow on Tuesdays.

His prison sentence was the natural consequence of a life of crime.

1. Formed by nature; not manufactured or created by artificial processes. [from 15th c.] quotations ▼
2. Pertaining to death brought about by disease or old age, rather than by violence, accident etc. [from 16th c.] quotations ▼

She died of natural causes.

1. Having an innate ability to fill a given role or profession, or display a specified character. [from 16th c.] quotations ▼
2. (mathematics) Designating a standard trigonometric function of an angle, as opposed to the logarithmic function. [from 17th c.]
3. (music) Neither sharp nor flat. Denoted ♮. [from 18th c.]

There's a wrong note here: it should be C natural instead of C sharp.

1. Containing no artificial or man-made additives; especially (of food) containing no colourings, flavourings or preservatives. [from 19th c.]

Natural food is healthier than processed food.

1. Pertaining to a decoration that preserves or enhances the appearance of the original material; not stained or artificially coloured. [from 19th c.]
2. Pertaining to a fabric still in its undyed state, or to the colour of undyed fabric. [from 19th c.]
3. (dice games) Pertaining to a dice roll before bonuses or penalties have been applied to the result.
4. (bodybuilding) Not having used anabolic steroids or other performance-enhancing drugs. antonym ▲Antonym: enhanced
5. (bridge) Bidding in an intuitive way that reflects one's actual hand. antonym ▲Antonym: artificial
6. (algebra) Closed under submodules, direct sums, and injective hulls.
Pertaining to birth or descent; native.
1. Having a given status (especially of authority) by virtue of birth. [14th–19th c.] quotations ▼
2. Related genetically but not legally to one's father; born out of wedlock, illegitimate. [from 15th c.] quotations ▼
3. Related by birth; genetically related. [from 16th c.] quotations ▼