natural, ingenuous, naive, unsophisticated, artless mean free from pretension or calculation. natural implies lacking artificiality and self-consciousness and having a spontaneousness suggesting the natural rather than the man-made world.
1. of, existing in, or produced by nature: natural science; natural cliffs. 2. in accordance with human nature: it is only natural to want to be liked. 3. as is normal or to be expected; ordinary or logical: the natural course of events. 4. not acquired; innate: a natural gift for sport.
[It + be + ~ + that clause] It's natural that the parents should miss their children. happening in the ordinary or usual course of things, without accident, violence, etc.: to die a natural death.
natural (comparative more natural, superlative most natural) Existing in nature. Existing in the nature of a person or thing; innate, not acquired or learned. [from 14th c.] quotations
If you say that it is natural for someone to act in a particular way or for something to happen in that way, you mean that it is reasonable in the circumstances.
