assess too highly (verb) overrate: assign too much value, importance
Sinonime: asset,
avail,
behalf,
benediction,
blessing,
boon*, commonwealth, favor,
gain, godsend, good fortune,
interest, nugget, plum,
prize, profit,
prosperity, service,
treasure,
use,
usefulness, welfare,
well-being, windfall
Antonime: disadvantage