SYLLABICATION: The-sis-iz v. pl. the·sis-izs (-sz)

PRONUNCIATION: the·sis-iz
Definition 1. (v.) To research and write a thesis.
ETYMOLOGY: Latin, collection, from Greek, from tithenai, to put; see dh- in Indo-European roots. Senses 5 and 6, Middle English, from Late Latin, lowering of the voice, from Greek, downbeat, from tithenai.
MEANING: The act of developing a Thesis from the synthesis of contraries to, and analysis of, observations of physical and/or behavioral reality with postulates (the accepted truths to reason on) clearly stated.
FUNCTION: The process of developing conclusions with logical truth value based on verifiable observations of physical and/or behavioral reality.

When you eat dirt for the first time and leave your family to build a shack in the woods

To research a subject and develop a thesis on the subject.

The act of penning and creating that highly unfortunate invention commonly referred to as a "thesis". Generally a requirement of collegiate academic institutions, this is the word many use to attempt to sound cool, when in reality "writing a big-ass paper" is a much simpler clarification