reach

domain, sphere, territory

compass, range, scope, sweep

gamut, scale, spectrum

depth, emptiness, void

extension, latitude, span

amplitude, immensity, magnitude

gamut, spectrum, spread

bailiwick, circle, demesne, department, discipline, domain, element, fief, fiefdom, field, province, region, specialty, sphere, terrain

frontier

horizon, panorama

condition, estate, order, walk

capacity, function

rating

relay

bear, carry

finger, handle, paw

cede, deliver, give, give up, release, relinquish, render, surrender, turn over, yield

get through (to)

acquaint, advise, apprise, brief, clue, enlighten, familiarize, fill in, inform, instruct, notify, tell, wise (up)

buzz, call, phone, telephone

keep up (with)

carry away, dazzle, enrapture, enthrall (or enthral), entrance, ravish, transport

bias, color

inspire, stir

engage, interest, involve, penetrate, pierce

afflict, agitate, bother, concern, discomfort, discompose, disquiet, distress, disturb, fluster, harass, harry, perturb, pester, plague, smite, strain, stress, trouble, try, upset, worry, wring

allure, attract, bewitch, captivate, charm, enchant, fascinate