He had tentatively heard of her dead husband as a young man of wealth and family; he seemed to remember having seen in Vanity Fair a picture of the Lanyons at Palm Beach.
…he was beastly cold, and in general God help him! As the St. Buryan was warped out into the river, as Martin was suggesting to his Commission, "How about going downstairs and seeing if we can raise a drink?" there was the sound of a panicky taxicab on the pier, the sight of a lean, tall figure running—but so feebly, so shakily—and they realized that it was Max Gottlieb, peering for them, tentatively raising his thin arm in greeting, not finding them at the rail, and turning sadly away.
There are no more uses of "tentative" in the book.