fourth Thursday in November in the United States; second Monday in October in Canada; commemorates a feast held in 1621 by the Pilgrims and the Wampanoag
a summons that commands the appearance of a party at a proceeding
an official award (as for bravery or service) usually given as formal public statement
a short note recognizing a source of information or of a quoted passage; "the student's essay failed to list several important citations"; "the acknowledgments are usually printed at the front of a book"; "the article includes mention of similar clinical cases"
(law) the act of citing (as of spoken words or written passages or legal precedents etc.)
remove irrational quantities from; "This function can be rationalized"
think rationally; employ logic or reason; "When one wonders why one is doing certain things, one should rationalize"
structure and run according to rational or scientific principles in order to achieve desired results; "We rationalized the factory's production and raised profits"
a statement acknowledging something or someone; "she must have seen him but she gave no sign of acknowledgment"; "the preface contained an acknowledgment of those who had helped her"