ichidan verb / transitive:

• to advance; to move forward; to put (a clock, watch) forward
• to carry forward (plans, work, etc.); to proceed with; to make progress in; to further; to advance; to hasten; to speed up
• to raise; to elevate; to promote; to develop; to stimulate (e.g. one's appetite)

~と adverb / adverb / ~する noun:

• lightly rolling (of a small and round thing) - onomatopoeia
• pleasant, high-pitched sound (e.g. bell, young woman's laughter) - onomatopoeia
• changing frequently (e.g. conversation, plans); (occurring) in rapid succession (e.g. sumo wrestlers being defeated); fickly; in a fickle manner - onomatopoeia
• roly-poly - onomatopoeia

~と adverb / adverb:

• chirp chirp; sound of insects - onomatopoeia
• ribbit ribbit; croak croak; sound of frogs - onomatopoeia ➜ ケロケロ

noun:

• roller; lint roller; paint roller ［ころころ・コロコロ］ - onomatopoeia

noun:

• tanuki (Nyctereutes procyonoides); raccoon dog
• sly dog; sly old fox; sly fox; cunning devil; craftiness; sly person; someone who makes evil plans without ever breaking their poker face

ichidan verb / intransitive verb:

• to go out (of a fire, etc.); to die out (before burning to ash) ➜ 立ち消え
• to fall through (of plans, etc.); to fizzle out; to come to nothing ➜ 立ち消え【たちぎえ】

ichidan verb / transitive:

• to rub together
• to reconcile (ideas, proposals, plans); to compare and adjust