Often followed by in, into, or on: initial progress made toward accomplishing a goal or solving a problem.
An advance into enemy territory, an attempted invasion; an encroachment, an incursion.
A setting about; a beginning.
The initial portion of a syllable, preceding the syllable nucleus.
The beginning of a musical note or other sound, in which the amplitude rises from zero to an initial peak.
The initial phase of a disease or condition, in which symptoms first become apparent.