When it comes to synonym alternatives for the phrase "gave speech," there are various options available. One can use the terms 'delivered an address' or 'presented a talk.' 'Eloquuted' and 'orated' can also be used in place of "gave speech." Other options include 'made a speech,' 'conveyed a message,' 'established a presentation,' and 'imparted a discourse.' In addition, 'communicated an idea,' 'expressed oneself,' or 'addressed an audience' can also be used as alternatives. Furthermore, 'pronounced an oration,' 'held forth a speech,' 'gave a lecture,' and 'uttered a homily' are also useful alternatives that can be used interchangeably with "gave speech".