Not of age—merely of time; for here was no senility, no quavering or fretful lines.
"Glad your senility has not affected that remnant of your common-sense," he declared.
Is it a sign of senility, or half-thought-out ideas, or what?
There's a similar touch of ineptitude (senility, perhaps) in the Memorabilia, ad fin.
And this is the man they accuse of senility and weak intellect!