v. [f. as prec. + -IZE.] trans. To act as companion to.

1

1883.  Jrnl. Educ., 1 Dec., 402. [Advt.] She would be willing … to converse with and companionise young people.

2

1888.  Besant, Herr Paulus, III. xii. 223. To travel around with a show … to companionise a two-headed nightingale.

3