team up, cooperate, steady, strengthen, bear, shepherd, tend, care for, reward, listen, center, calm, warm up, value, back, animate, divulge, collaborate, restore, improve, vitalize, cultivate, appreciate, assuage, augment, enrich, deepen, praise, care, trust, share, reciprocate, uncover, confide, buoy, root for, allay (fears), express (concern), keep (a secret/a promise), stick up for, lend an ear
hug, boost, handle, embrace, hold, tackle, feed, strengthen, bear, shepherd, nourish, nurture, soothe, suggest, prop up, field, mentor, stoke, encourage, support, cater to, steward, assure, enable, offer, propose, bolster, buttress, shore up, tend to, empathize, hearten, take on, muster, advocate for, pay for, reassure, minister to, take care of, draw out, stick up for, stick by, lift up, share (a burden), assume the role of, console, voice one's appreciation, boost someone's morale, raise (someone's spirits), lift (someone's spirits)
certify, promote, recommend, approve, support, guarantee, sponsor, champion, back up, swear, defend, endorse, stand up for, confirm, corroborate, sanction, validate, testify to, assert, stick up for, vouch for, exculpate, stand behind, refer, ally oneself with, side with, take up the cudgels for, affirm, okay, go to bat for, uphold (someone's reputation), throw one's weight behind, give credence to, kvell (with pride), back (someone)