The term 'ADD' is used to describe the action of increasing or augmenting something. The crossword solutions for this term include 'CAST', 'INCREASE', 'LACE', 'SAY', 'TAG', 'COUNT', 'SCORE', 'GROW', 'FURTHER', 'THICKEN', 'JOIN', 'AUGMENT', 'SUM', 'TOT', 'GAIN', 'SPOT', 'AFFIX', 'ANNEX', 'PUTIN', 'TOTUP', 'APPEND', 'TACKON', 'TOSSIN', 'THROWIN', 'TOTALUP', and 'UNCLUDE'. These words all describe different ways of adding or increasing something, such as casting a spell, increasing a number, lacing a shoe, saying something, tagging an item, counting something, scoring a goal, growing a plant, furthering a discussion, thickening a sauce, joining a group, augmenting a system, summing up a situation, totting up a total, gaining an advantage, spotting a trend, affixing a label, annexing a territory, putting in an effort, totting up a total, appending a document, tacking on an extra, tossing in an ingredient, throwing in an idea, totaling up a cost, and uncluding an item.