This paper investigates the foundational principles of Turkish word formation through a semantic lens. Turkish, as an agglutinative language, employs a rich system of affixation to generate words and express grammatical relationships. This study explores how semantic relations govern the morphological processes involved in creating new lexical items, emphasizing the interplay between meaning and structure. By examining derivational and inflectional morphology, compounding, and the role of semantics in affix selection, this research aims to provide a nuanced understanding of Turkish morphology. The analysis is based on descriptive data from standard Turkish and theoretical insights from semantic morphology and agglutinative language studies. The findings highlight the centrality of semantic coherence in affixation and word formation, contributing to broader linguistic theories on morphology and semantics.

Semantic lens, affixation, inflectional/derivational morphology, compounding and semantic coherence.

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