testimonialize

especially British, tes·ti·mo·ni·al·ise

[tes-tuh-moh-nee-uh-lahyz]

verb (used with object)

testimonialized, testimonializing 

1. to honor (someone) by giving or doing something testimonial.

Word History and Origins

Origin of testimonialize¹

First recorded in 1850–55; testimonial + -ize