linear; rectilinear; straight-line; straightforward; simple
exactly; precisely; closely; tightly; properly; without fail
parallelism; running parallel (to, with); running concurrently; occurring at the same time; not reaching an agreement (e.g. of a debate)
to surround; to encircle; to besiege; to lay siege to; to play (go, shogi, etc.)
operation (of a machine); running; working (and earning money); workload; deployment (e.g. to a production environment); release
blank space; margin; blank canvas
(camera) shutter; shutter (for a door, window, etc.)
storage; putting away; receipt (of funds, payment, etc.); harvesting
to take down; to bring down; to drop off (a passenger); to let off; to withdraw (money); to use for the first time; to wear for the first time
to finish; to get it over with; to settle; to pay back; to get along (without something); to make do with (without)
regular; normal; formal; legal; established; legitimate
procedure; process; proceedings; formalities
to step on; to tread on; to set foot on (e.g. foreign soil); to stand on; to experience; to undergo; to follow (rules, principles, etc.)
intruder; invader; trespasser; raider
to be clear (of a sight, sound, colour, etc.); to be bright; to be clear-headed; to be alert; to look upbeat; to be perky; to master (a skill)
(a) principle; (a) reason; (a) point; some truth
to be related; to be connected; to be joined together; to result in; to lead to; to bring about
fatigue; weariness; exhaustion; fatigue (of metal, etc.)
basics; fundamentals; basis; basically; fundamentally
training; drill; practice; discipline
magnificent; grand; majestic; splendid
burlesque; low comedy; farce
futility; waste; uselessness; pointlessness; idleness
comparatively; relatively; fairly; rather; pretty; unexpectedly
if that's the case ...; if so ...; that being the case ...
to harden; to solidify; to become firm; to become certain; to gather (together); to assemble
somehow; how; in what way; why; what kind of
ghost; specter; spectre; apparition; phantom
watch; guard; lookout; surveillance; watchman; sentinel
to be easily mistaken for (something else); to be indistinguishable from; to look just like; (arch.) to intermingle; (arch.) to be in disorder; (arch.) to be in disarray
to come (home) to one; to click; to ring a bell; to appeal to one; to speak to one; to impress one
indication; sign; hint; tone (of the market)
peephole; spyhole; inspection hole; observation window
relation; connection; relevance
to take in; to gather in; to adopt (e.g. an idea); to accept (e.g. advice); to harvest; to reap
especially; particularly; above all; portioning out (servings of food)