to respond; to answer; to meet (e.g. demands, expectations)

to be straight (e.g. wood grain)

to (look, listen) through (a window, wall, etc.)

thorough enforcement; seeing to it that a policy, etc. is carried out without exception

to be clear (voice, sound)

staying up all night

to do throughout (e.g. the night)

cool-headed; level-headed; hard-headed

inconsistent; illogical; unconvincing; not thorough; indefinite; half-way

obstinate; stubborn; inflexible

penetration; pervasion

transparency