Definition of "set out"

I had been calling Nobs in the meantime and was about to set out in search of him, fearing, to tell the truth, to do so lest I find him mangled and dead among the trees of the acacia grove, when he suddenly emerged from among the boles, his ears flattened, his tail between his legs and his body screwed into a suppliant S. He was unharmed except for minor bruises; but he was the most chastened dog I have ever seen.

1918 September–November, Edgar Rice Burroughs, “The Land That Time Forgot”, in The Blue Book Magazine, Chicago, Ill.: Story-press Corp.; republished as chapter 5, in Hugo Gernsback, editor, Amazing Stories, (please specify |part=I, II, or III), New York, N.Y.: Experimenter Publishing, 1927,

Following the acquisition of Di María, a winger, there was almost as much interest in the manner in which Van Gaal would set out his team as there was in the personnel. It was probably as well, considering only the goalkeeper David De Gea was retained from the XI who started Sunday’s draw at Sunderland.

26 August 2014, Richard Rae, “Manchester United humbled by MK Dons after Will Grigg hits double”, in The Guardian‎