precisely

Entry Definition
s/he puts a "fancy" point on it using file (e.g., sharpens a saw precisely)
s/he speaks it clearly and distinctly, pronounces it precisely; s/he is articulate in speaking about it
s/he promises explicitly, gives word; s/he speaks precisely, is articulate
s/he states it precisely
s/he tells it exactly as s/he heard it
s/he tells it exactly as s/he heard it
s/he teaches precisely what s/he is supposed to teach (stays on topic, is expert on subject)
it is well sharpened, is honed precisely