Our study aims to analyse the phenomenon of synonymy from the point of view of its lexico-graphical treatment in monolingual dictionaries of Spanish. The purpose is to verify whether these works offer the necessary information for the adequate use of the lexicon of related meaning. Given the limitations arising from the analysis, we will propose the study of a case (the partial synonymous verbs escoger and elegir), which will allow us to shed light on the metalinguistic dimension, by means of the application of conceptual instruments which have been successfully used up to now for the study of grammar, such as the two axes which arti-culate semantic meaning from a metalinguistic point of view (procedural meaning): the axis of information and the axis of the attitude of the enunciator, as formalised in meta-operational grammar. Their use will allow us to perceive regularities in the interpretations that are syste-matically generated in these verbs and in other synonymic verb pairs.
