verb
1.
Synonyms: enter 1, come (in), go in, ingress
Related Word: encroach, invade, trespass
2.
to enter or go through by or as if by overcoming resistance
the icy wind penetrated the heavy parka
Synonyms: pierce
Related Word: bore, perforate, prick, puncture; jab, knife, stab; drill, drive
3.
Synonyms: permeate , charge, compenetrate, impenetrate, impregnate, interpenetrate, percolate, pervade, saturate, transfuse
Related Word: insert, insinuate, interpolate, introduce