S: (v) fade, melt (become less clearly visible or distinguishable; disappear gradually or seemingly) "The scene begins to fade"; "The tree trunks are melting into the forest at dusk"
S: (v) decrease, diminish, lessen, fall (decrease in size, extent, or range) "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fell to under a hundred pounds"; "his voice fell to a whisper"
S: (v) change (undergo a change; become different in essence; losing one's or its original nature) "She changed completely as she grew older"; "The weather changed last night"