A life in an experience or virtual reality machine could conceivably be happy but very few take it to be a prima facie candidate for meaningfulness (Nozick 1974: 42–45).
And if an individual is loved from afar, can it logically affect the meaningfulness of her “life” (Brogaard and Smith 2005, 449)?
Returning to topics on which there is consensus, most writing on meaning believe that it comes in degrees such that some periods of life are more meaningful than others and that some lives as a whole are more meaningful than others (perhaps Britton 1969, 192).
Many major historical figures in philosophy have provided an answer to the question of what, if anything, makes life meaningful, although they typically have not put it in these terms.
Consider, for instance, Aristotle on the human function, Aquinas on the beatific vision, and Kant on the highest good.