the principle or policy of achieving some goal by gradual steps rather than by drastic change.
Philosophy. a theory maintaining that two seemingly conflicting notions are not radically opposed, but are related by others partaking in varying degrees of the character of both.
Biology. a tenet in evolutionary theory maintaining that species evolve slowly and continuously over long periods of geological time.

1825–35, Americanism; gradual + -ism

gradualist, noun, adjective
gradualistic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
gradualism (ˈɡrædjʊəˌlɪzəm)
1.  the policy of seeking to change something or achieve a goal gradually rather than quickly or violently, esp in politics
2.  Compare catastrophism the theory that explains major changes in rock strata, fossils, etc in terms of gradual evolutionary processes rather than sudden violent catastrophes
n, —adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
gradualism   (grāj'-ə-lĭz'əm)  Pronunciation Key 
The theory that new species evolve from existing species through gradual, often imperceptible changes rather than through abrupt, major changes. The small changes are believed to result in perceptible changes over long periods of time. Compare punctuated equilibrium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

gradualism definition

The belief that changes in the Earth, such as the development of species, have taken place slowly, without sudden and violent transitions. (Compare punctuated equilibrium and catastrophism.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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