In political communication, inaugural speeches are pivotal, signifying the start of a leader’s term and a new chapter in a nation’s history. These serve as a momentousoccasion where the leader outlines their vision, pledging to guide the country to prosperity and unity. This study delves into the inaugural speech delivered by PresidentBola Ahmed Tinubu upon assuming the highest office in Nigeria in May 2023. Through a meticulous analysis of lexical collocations, the study uncovers the underlying linguistic intricacies, thematic emphasis, and rhetorical strategies employed by President Tinubu in his address, to gain insights into the rhetorical techniques used to connect with the audience and convey his vision as well as the impact of his address on political discourse and public perception. Downloading the speech from the Punch Newspaper website, the analytical approach followed the principles of lexical collocation theory and systemic functional linguistics. The analysis reveals eight strategic rhetorical purposes in President Tinubu’s use of lexical collocations in his speech. These functions encompass appeals to religiosity, political sensibility, national pride, patriotism, unity, hope, calls to action, policy clarification, and exemplifying an inclusive government. His language choices resonate with the audience, eliciting emotions and nurturing a national sense of pride and identity. The analysis of President Tinubu’s inaugural speech contributes to a better understanding of his linguistic legacy and communication strategies during his tenure in office. It becomes a part of the historical record, revealing the president’s approach to governance and leadership.