Predominant, but specifically in terms of pondering instead of
dominating.
Something which has a monopoly or superior
influence on your thoughts or senses, even though other things of the same type might exist.
The humans trapped
in the Matrix were mostly unaware that the preponderant universe they
experienced was digital.
To most people these days,
Tiger Woods is the preponderant golfer.
The preponderant city shrouded its population in a blanket of smog, allowing them to forget that other cities even existed.