Answer:
1. (Ascertained) - <em>discovered</em>
2. (Swathed) - <em>wrapped</em>
3. (engaged) - <em>occupied</em>
4.(suffered) - <em>allowed</em>
Explanation:
1. To ascertain: to discover a fact; to make certain. <em>The police were never able to ascertain the true facts.</em>
2. To swarh: to wrape around or cover with cloth. <em>The women were swathed in expensive furs.</em>
3. To engage: to arrange to do something. <em>He is engaged in fixing the car.</em>
4. To suffer:(old use): to allow somebody to do something. "<em>But Jesus said, Suffer little children...to come unto me." - Bible </em>