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intr.v. pre·pon·der·at·ed, pre·pon·der·at·ing, pre·pon·der·ates
1. To exceed something else in weight.
2. To be greater than something else, as in power, force, quantity, or importance; predominate: "In balancing his faults with his perfections, the latter seemed rather to preponderate" (Henry Fielding).
adj. (-dər-ĭt)

[Latin praeponderāre, praeponderāt- : prae-, pre- + ponderāre, to weigh; see (s)pen- in Indo-European roots.]

pre·pon′der·ate·ly adv.
pre·pon′der·a′tion n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.preponderating - having superior power and influence; "the predominant mood among policy-makers is optimism"
dominant - exercising influence or control; "television plays a dominant role in molding public opinion"; "the dominant partner in the marriage"
References in classic literature ?
All the time that he had been speaking, the dubious-looking men with carbines and dirty slouch hats had been gathering silently in such preponderating numbers that even Muscari was compelled to recognize his sally with the sword as hopeless.
It is plain, then, that the most perfect political community must be amongst those who are in the middle rank, and those states are best instituted wherein these are a larger and more respectable part, if possible, than both the other; or, if that cannot be, at least than either of them separate; so that being thrown into the balance it may prevent either scale from preponderating.
But it had a preponderating tendency, when considered, to become fainter.
James Burnham, in Congress and the American Tradition, said the framers "believed that in a republican and representative governmental system the preponderating share of power was held and exercised by the legislature" (1959, 92).