-tion

(Latin: a suffix forming nouns from verbs of condition and action; an act or process: resumption, absorption; state or condition, redemption, exhaustion; something resulting from or otherwise related to an act or process, assumption, friction)

This unit is presenting a small fraction of the hundreds of words ending with the suffix of -tion; however, there is a significant number of words which may help everyone have a better understanding and appreciation of the use of this element.

striation
1. A patterning or marking with parallel grooves or narrow bands.
2. The striped pattern of striated muscle, or any of the light and dark bands that make up this effect.
3. One of a number of parallel lines or scratches on the surface of a rock that were inscribed by rock fragments embedded in the base of a glacier as it moved across the rock.
subsumption
1. In logic, a proposition subsumed under another; a minor premiss; generally, an assumption.
2. Chiefly in logic and philosophy, the bringing of a concept, cognition, etc. under a general term or a larger or higher concept, etc.; the instancing of a case under a rule, or the like.
subtraction
suggestion
sulcation
1. A channel or furrow.
2. Having long, narrow grooves, or channels; such as, plant stems, or being furrowed or cleft, as hoofs.
sumption (s) (noun), sumptions (pl)
1. The reception (of the Sacrament, of Christ in the Sacrament).
2. The taking of a thing as true without proof; hence, an assumption, premise.; the major premise of a syllogism.
superposition (s) (noun), superpositions (p)
1. The process of putting one thing on top of something else: Sometimes the superposition of books can result in confusion because it is usually too difficult to find and to pick out the book that is desired.
2. In geology, the principle that in a sequence of sedimentary strata, the oldest layer is located on the bottom and it is followed in turn by successively younger layers, on up to the top of the sequence of layers: During the process of superpositions, sediments are deposited on the sea floor in horizontal layers, parallel to the Earth's surface so that the oldest layer is on the bottom with each of the younger layers resting on top.

Another geological explanation of the principle of superposition states that in a sequence of sedimentary rocks or lavas, each layer is younger than the layer beneath it and older than the one above it.

superscription
Something that is written, printed, or engraved above, outside, or on the surface of something else.
superstition
1. A belief in the magical effects of a specific action or ritual; especially, in the likelihood that good or bad luck will result from performing it.
2. Irrational beliefs; irrational and often quasi-religious belief in and reverence for the magical effects of some actions and rituals or the magical powers of some objects.
3. Etymology: via French from Latin superstition; superstes, "standing over (in awe)"; from super, "over, above" plus stare, "to stand".

Defined by some as, "the unreasoning fear of anything founded on the fear of the unreasoning."

supervention
1. To come or to occur as something extraneous, additional, or unexpected.
2. To follow immediately after; to ensue.
3. In philosophy, to be dependent on a set of facts or properties in such a way that change can occur only after change has occurred in those facts or properties.
4. The development of some condition in addition to an already existing one.
supposition (s) (noun), suppositions (pl)
An uncertain belief about something or someone which is believed to be true even though there is no evidence or proof that such assumptions are true: Some people have been living with the supposition that the economy would be improving by now.

Too many military officials have lived with the supposition that the wars in Afghanistan and Iraq could be won; however, their suppositions have resulted in more deaths of civilians and military personnel than anyone could have anticipated and victory is no longer considered a possibility.

surreption (s) (noun), surreptions (pl)
The act of obtaining something by stealth or secret methods: Shirley practiced surreption so she could get the photograph she wanted of the politician.
taction (s) (noun), tactions (pl)
A contact or a coming together, as of objects or surfaces.: "When a person senses being touched or touches something, he or she is involved with taction or is using taction."
traction
tradition (s) (noun), traditions (pl)
1. A long standing practice or custom for performing certain actions or celebrating specific occasions: One of the traditions of Karen's family is to visit new neighbors when they move in by sharing gifts of food and drinks with them.
2. Etymology: from Latin traditionem, traditio, "delivery, surrender, a handing down, a giving up"; a noun of action from the past participle stem of tradere, "to deliver, to hand over, to give"; from trans-, "over" + dare, "to give".