trepidatory

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective trepidatory is

that trepidates, or that causes trepidations.

As adjectives the difference between horizontal and trepidatory

is that horizontal is perpendicular to the vertical; parallel to the plane of the horizon; level, flat while trepidatory is that trepidates, or that causes trepidations.

As a noun horizontal

is a horizontal component of a structure.

As adjectives the difference between vertical and trepidatory

is that vertical is along the direction of a plumbline or along a straight line that includes the center of the earth while trepidatory is that trepidates, or that causes trepidations.

As a noun vertical

is a vertex or zenith.

As a noun earthquake

is a shaking of the ground, caused by volcanic activity or movement around geologic faults.

As an adjective trepidatory is

that trepidates, or that causes trepidations.

Trepidate is often a misspelling of trepidatory.

Trepidate has no English definition.

As an adjective trepidatory is

that trepidates, or that causes trepidations.