Fluctuate

To alter irregularly; to cause to rise and vall or vary irregulary.

The NASDAQ fluctuated from the beginning of the year to the end.

Concordant

To have an equilibrium with agreement; harmonious

Everyone employed to this business is concordant with the guidlines that they should abide to.

Quintessential

Forming or having the nature of a quintessence; being the most typical.

Doug was the quintessential philosopher